Add basic information for module, more to come

Fix punctuation

Reformat descriptions, fix typos

Substitute all occurrences of ’ with '

modules/level_4/algorithms_and_data_structures_i/README.md

@@ -3,13 +3,13 @@
 # Algorithms and Data Structures I
 This module will help you to develop your analytical and problem-solving
 skills. It will encourage you to think about how to use computers to
-solve problems. You’ll develop skills in thinking algorithmically
+solve problems. You'll develop skills in thinking algorithmically
 and learn the central concepts of algorithms and data structures. You
 will learn about linear data structures such as arrays, vectors and
 lists and a unifying framework for considering such data structures
-as collections. You’ll study how algorithms can be expressed as
+as collections. You'll study how algorithms can be expressed as
 flowcharts and pseudocode and how to convert these into programs.
-You’ll learn specific algorithms used for sorting and searching,
+You'll learn specific algorithms used for sorting and searching,
 and how to express repetition as iteration and recursion. You will
 learn a simple model for execution of computation, and how to describe
 computational problems and their solutions. The model will allow you

modules/level_4/discrete_mathematics/README.md

@@ -1,11 +1,9 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Discrete Mathematics
-This module helps hone your skills in thinking
-abstractly. It also introduces you to many of the
-discrete models used to help understand and
-design computational systems. Through this
-module, you’ll develop the fundamental discrete
-mathematical tools that will support you during the
-BSc degree. Particular attention is paid to notions
-of experimentation, reasoning and generalisation.
+This module helps hone your skills in thinking abstractly. It also
+introduces you to many of the discrete models used to help understand
+and design computational systems. Through this module, you'll develop
+the fundamental discrete mathematical tools that will support you
+during the BSc degree. Particular attention is paid to notions of
+experimentation, reasoning and generalisation.

modules/level_4/fundamentals_of_computer_science/README.md

@@ -1,15 +1,12 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Fundamentals of Computer Science
-In this module, you’ll gain a broad understanding
-of key topic areas in computer science and the
-fundamental concepts underpinning them. In the
-area of fundamental concepts, you’ll learn about
-binary representations and logic, complexity
-theory and theories of computation, finite state
-machines and Turing machines. Building on this,
-you’ll then study key areas of interest in computer
-science including databases, artificial intelligence
-and machine learning. These will be presented
-as practical examples to illustrate how they are
+In this module, you'll gain a broad understanding of key topic
+areas in computer science and the fundamental concepts underpinning
+them. In the area of fundamental concepts, you'll learn about
+binary representations and logic, complexity theory and theories of
+computation, finite state machines and Turing machines. Building on
+this, you'll then study key areas of interest in computer science
+including databases, artificial intelligence and machine learning. These
+will be presented as practical examples to illustrate how they are
 implemented in modern computer systems.

modules/level_4/how_computers_work/README.md

@@ -1,15 +1,11 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # How Computers Work
-How Computers Work helps you understand
-and interact with computer systems. The module
-will teach you how to use knowledge about
-computational processes to analyse and explain
-the behaviour of computer systems. It will use
-the concept of a Notional Machine, an abstract
-representation of the functioning of a computer
-system, to help you to reason about computer
-systems and predict their behaviour. You’ll also
-learn about typical computer system architectures,
-basic networking and network services such
-as databases.
+How Computers Work helps you understand and interact with computer
+systems. The module will teach you how to use knowledge about
+computational processes to analyse and explain the behaviour of computer
+systems. It will use the concept of a Notional Machine, an abstract
+representation of the functioning of a computer system, to help you to
+reason about computer systems and predict their behaviour. You'll also
+learn about typical computer system architectures, basic networking and
+network services such as databases.

modules/level_4/introduction_to_programming_i/README.md

@@ -1,13 +1,11 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Introduction to Programming I
-This module focuses on basic programming
-techniques. You’ll learn how to use the fundamental
-elements of computer programming such as
-variables, conditionals, functions and loops. You’ll
-learn how to create interactive, graphical computer
-programs. You will also be introduced to basic
-object-oriented programming techniques.
+This module focuses on basic programming techniques. You'll learn
+how to use the fundamental elements of computer programming such as
+variables, conditionals, functions and loops. You'll learn how to
+create interactive, graphical computer programs. You will also be
+introduced to basic object-oriented programming techniques.
 
 # Table of contents
 
@@ -16,17 +14,26 @@ object-oriented programming techniques.
 * [Programming resources](#programming-resources)
     * [JavaScript](#javascript)
         * [p5.js — JavaScript library](#p5js--javascript-library)
+    * [Sleuth assignments](#sleuth-assignments)
+        * [Tips & Tricks](#tips--tricks)
     * [Text editor](#text-editor)
 
 <!-- vim-markdown-toc -->
 
 # Programming resources
 
-## JavaScript
-More resources on YouTube on [this page](https://github.com/world-class/REPL/tree/master/youtube).
+More resources on YouTube on [this page](../../../youtube/).
 
+## JavaScript
 ### p5.js — JavaScript library
+- [p5.js](https://p5js.org/) — Official website to find [the reference guide](https://p5js.org/reference) and an [online editor](https://editor.p5js.org/) to practice. Next step: [p5.js libraries](https://p5js.org/libraries/).
 - [The Coding Train](https://www.youtube.com/user/shiffman/playlists) (playlists) — Channel from Daniel Shiffman, a board member of `p5.js`.
 
+## Sleuth assignments
+### Tips & Tricks
+- Get familiar with finding precise coordinates in an image inside Brackets (text editor).
+- Practice all basic drawing functions with `p5.js` in the [online editor](https://editor.p5js.org/) before attempting to solve crimes.
+- You have a maximum number of three (3) attempts for each case: go ahead when you are pretty confident you are on the right path on your first attempt.
+
 ## Text editor
 The recommended text editor for this module is [Brackets](http://brackets.io/). More options available on the [free software page](../../../software/).

modules/level_4/introduction_to_programming_ii/README.md

@@ -1,11 +1,8 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Introduction to Programming II
-By taking this module, you will enhance your
-programming skills through the development
-of a project. You will learn about producing
-maintainable code, defensive coding techniques,
-program testing techniques, cyclical approaches
-to software development, encapsulation,
-developing code across multiple files
-and using third-party libraries.
+By taking this module, you will enhance your programming skills
+through the development of a project. You will learn about producing
+maintainable code, defensive coding techniques, program testing
+techniques, cyclical approaches to software development, encapsulation,
+developing code across multiple files and using third-party libraries.

modules/level_4/numerical_mathematics/README.md

@@ -1,15 +1,12 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Numerical Mathematics
-This module helps hone your skills in thinking
-abstractly. It also introduces you to many of
-the standard continuous models used to help
-understand and design computational systems.
-You will develop the fundamental numerical
-mathematical tools that will support you during the
-BSc degree. Particular attention is paid to notions
-of experimentation, reasoning and generalisation.
-You’ll learn many of the numerical mathematical
-concepts and techniques that underpin Computer
-Science. In particular, you’ll study number systems,
-special functions, graphing and linear algebra.
+This module helps hone your skills in thinking abstractly. It also
+introduces you to many of the standard continuous models used to
+help understand and design computational systems. You will develop
+the fundamental numerical mathematical tools that will support you
+during the BSc degree. Particular attention is paid to notions of
+experimentation, reasoning and generalisation. You'll learn many
+of the numerical mathematical concepts and techniques that underpin
+computer science. In particular, you'll study number systems, special
+functions, graphing and linear algebra.

modules/level_4/web_development/README.md

@@ -1,15 +1,12 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Web Development
-This module provides you with a foundational
-web development skillset. You will learn the critical
-languages of the web: HTML, CSS and JavaScript.
-Using HTML and CSS, you’ll learn how to markup, layout and style web 
-content. You’ll study the document object model and how you can
-dynamically manipulate it with JavaScript to create
-interactive web pages. You’ll consider accessibility
-and usability issues, and how you can overcome
-them. You’ll learn about website deployment and
-how to make your websites accessible to other
-people. The module also enables you to present
-your work online in the form of a website.
+This module provides you with a foundational web development skillset.
+You will learn the critical languages of the web: HTML, CSS and
+JavaScript. Using HTML and CSS, you'll learn how to markup, layout and
+style web content. You'll study the document object model and how you
+can dynamically manipulate it with JavaScript to create interactive web
+pages. You'll consider accessibility and usability issues, and how you
+can overcome them. You'll learn about website deployment and how to
+make your websites accessible to other people. The module also enables
+you to present your work online in the form of a website.

modules/level_5/agile_software_projects/README.md

@@ -1,20 +1,15 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Agile Software Projects
-The Agile Software Projects module provides
-insights and practice in software development
-using contemporary methods to produce software
-that meets the needs of users and supports
-business functions. The module enables you
-to gain competence in the conceptualisation
-of a technology-based solution to a real-world
-problem, fulfilling the requirements of users
-while considering constraints imposed by market
-conditions and lessons learned from prototypes. You
-will then present a proposal for a technical project
-including a plan for implementing the solution
-using the agile development methodology and
-test-driven development practices. From concept
-to solution presentation, you’ll be required to work
-in a distributed team using online collaboration,
+The Agile Software Projects module provides insights and practice in
+software development using contemporary methods to produce software
+that meets the needs of users and supports business functions. The
+module enables you to gain competence in the conceptualisation of a
+technology-based solution to a real-world problem, fulfilling the
+requirements of users while considering constraints imposed by market
+conditions and lessons learned from prototypes. You will then present
+a proposal for a technical project including a plan for implementing
+the solution using the agile development methodology and test-driven
+development practices. From concept to solution presentation, you'll
+be required to work in a distributed team using online collaboration,
 project tracking and version control tools.

modules/level_5/algorithms_and_data_structures_ii/README.md

@@ -1,12 +1,9 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Algorithms and Data Structures II
-This module provides you with detailed
-knowledge of common algorithms and data
-structures. You’ll improve your understanding of
-searching and sorting and learn new algorithms
-to solve new problems. You’ll learn about a
-range of data structures such as trees, heaps,
-sets, maps, stacks, queues and graphs. You’ll
-also learn how to evaluate and describe the
-performance of algorithms using big-O notation.
+This module provides you with detailed knowledge of common algorithms
+and data structures. You'll improve your understanding of searching
+and sorting and learn new algorithms to solve new problems. You'll
+learn about a range of data structures such as trees, heaps, sets, maps,
+stacks, queues and graphs. You'll also learn how to evaluate and
+describe the performance of algorithms using big-O notation.

modules/level_5/computer_security/README.md

@@ -1,12 +1,9 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Computer Security
-The Computer Security module gives you
-an understanding of the need for computer
-security and the technologies supporting it.
-It has both a theoretical component that will
-teach you mathematical underpinnings of
-security systems and a practical element to help
-you discover the pitfalls of security design and
-comprehend the mathematics underlying the
-protocols by small programming examples.
+The Computer Security module gives you an understanding of the need
+for computer security and the technologies supporting it. It has both
+a theoretical component that will teach you mathematical underpinnings
+of security systems and a practical element to help you discover the
+pitfalls of security design and comprehend the mathematics underlying
+the protocols by small programming examples.

modules/level_5/databases_networks_and_the_web/README.md

@@ -1,14 +1,11 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Databases, Networks and the Web
-In this module, you’ll learn theory and practical
-skills focused on the modern web, internet and
-client-server applications. You’ll learn about
-relational database systems, emphasising issues
-related to data modelling and Structured Query
-Language (SQL) database implementation. You’ll
-learn how to model data in a database, retrieve
-data from the database and provide access to
-data through dynamic websites. You’ll learn about
-the Relational Model, Query processing, and
-socket architectures to enable communication.
+In this module, you'll learn theory and practical skills focused on
+the modern web, internet and client-server applications. You'll learn
+about relational database systems, emphasising issues related to data
+modelling and Structured Query Language (SQL) database implementation.
+You'll learn how to model data in a database, retrieve data from
+the database and provide access to data through dynamic websites.
+You'll learn about the Relational Model, Query processing, and socket
+architectures to enable communication.

modules/level_5/graphics_programming/README.md

@@ -1,11 +1,9 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Graphics Programming
-Here you will learn how to work with images in
-a variety of ways. You’ll learn how to synthesise
-graphics and how to process visual signals. You
-will learn about the mathematical ideas that
-underpin digital representations of graphics; how
-digital media files represent graphics, and how to
-handle and manipulate them, and the basics of
+Here you will learn how to work with images in a variety of ways.
+You'll learn how to synthesise graphics and how to process visual
+signals. You will learn about the mathematical ideas that underpin
+digital representations of graphics; how digital media files represent
+graphics, and how to handle and manipulate them, and the basics of
 working with simulated physics and 3D graphics.

modules/level_5/object_oriented_programming/README.md

@@ -1,12 +1,11 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Object-Oriented Programming
-This module will provide you with an object-oriented programming skillset. You’ll learn what
-objects and classes are and how to write classes.
-You’ll see how objects can interact with each
-other, including defining and implementing
-interfaces to control the interaction. You’ll learn
-how to use inheritance to extend functionality
-from parent classes. You’ll learn how to write
-code according to style guidelines and how
-to write formal code documentation.
+This module will provide you with an object-oriented programming
+skillset. You'll learn what objects and classes are and how to
+write classes. You'll see how objects can interact with each
+other, including defining and implementing interfaces to control
+the interaction. You'll learn how to use inheritance to extend
+functionality from parent classes. You'll learn how to write
+code according to style guidelines and how to write formal code
+documentation.

modules/level_5/programming_with_data/README.md

@@ -1,11 +1,9 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Programming with Data
-This module demonstrates how to work with
-data: getting data from a variety of sources,
-visualising data in compelling, informative ways,
-processing data to make it useful and shareable,
-and reasoning with data to test hypotheses and
-make predictions. The module also introduces
-you to a new programming environment that is
-well-adapted to languages for these applications.
+This module demonstrates how to work with data: getting data from a
+variety of sources, visualising data in compelling, informative ways,
+processing data to make it useful and shareable, and reasoning with data
+to test hypotheses and make predictions. The module also introduces you
+to a new programming environment that is well-adapted to languages for
+these applications.

modules/level_5/software_design_and_development/README.md

@@ -1,20 +1,15 @@
 [Go back to the main page](https://world-class.github.io/REPL/)
 
 # Software Design and Development
-Software Design and Development advances your
-software development skills so you can write more
-robust and complicated programs. You’ll learn
-how to use a range of programming techniques
-to deal with unwanted or unexpected events that
-might happen when your application is running.
-You’ll use defensive coding to check data before
-processing it, and exception handling to gracefully
-manage unforeseen occurrences. You’ll discuss
-program structure concerning cohesion (how to
-meaningfully organise code into modules) and
-coupling (how to define the interactions between
-different parts of the program). You’ll learn about
-test-driven development, where you write tests
-for your code, and write the code itself, in parallel.
-You’ll also learn how to use versioning tools to
-manage the development of a software project.
+Software Design and Development advances your software development
+skills so you can write more robust and complicated programs. You'll
+learn how to use a range of programming techniques to deal with unwanted
+or unexpected events that might happen when your application is running.
+You'll use defensive coding to check data before processing it,
+and exception handling to gracefully manage unforeseen occurrences.
+You'll discuss program structure concerning cohesion (how to
+meaningfully organise code into modules) and coupling (how to define the
+interactions between different parts of the program). You'll learn
+about test-driven development, where you write tests for your code,
+and write the code itself, in parallel. You'll also learn how to use
+versioning tools to manage the development of a software project.