Merge pull request #504 from Sylfrena/dev

Add troubleshooting to docs for higher Ruby versions

Version 0.2.1

Version 0.2.0

Fix to_s when name is a symbol #381 (#383)

* Fix to_s when name is a symbol

* Add spec for breaking case

Ver 0.1.5 updates and changes (#299)

* Update History file for new release

* version bump

* update rb-gsl dependency.

* update travis for ruby 2.4 support

* update travis config and GSL gem version.

* Install rainbow cuz of this rubygems error - ku1ik/rainbow#49

* Install rainbow cuz of this rubygems error - ku1ik/rainbow#49

add date to version in HISTORY

Version bump to v0.1.3

History update

This new release brings in lots of new functionality:

* A new index DateTimeIndex for time series manipulations
* Many new time series functions for manipulating time series based data
* Arel-like query syntax
* Joins and concat
* Many new methods for various operations
* Lots of speedups and bug fixes

added notebook link to README