Merge pull request elixir-ecto#23 from malandrina/lw-ct-update-readme

Update README

README.md

@@ -8,7 +8,7 @@ Add Tds as a dependency in your `mix.exs` file.
 
 ```elixir
 def deps do
-  [{:tds, "~> 0.2"} ]
+  [{:tds, "~> 0.5.4"} ]
 end
 ```
 
@@ -17,9 +17,9 @@ After you are done, run `mix deps.get` in your shell to fetch and compile Tds. S
 ```iex
 iex> {:ok, pid} = Tds.Connection.start_link([hostname: "localhost", username: "test_user", password: "test_password", database: "test_db", port: 4000])
 {:ok, #PID<0.69.0>}
-iex> Tds.Connection.query!(pid, "SELECT 'Some Awesome Text' AS MyColumn", [])
+iex> Tds.Connection.query(pid, "SELECT 'Some Awesome Text' AS MyColumn", [])
 %Tds.Result{columns: ["MyColumn"], rows: [{"Some Awesome Text"}], num_rows: 1}}
-iex> Tds.Connection.query!(pid, "INSERT INTO MyTable (MyColumn) VALUES (@my_value)", [%Tds.Parameter{name: "@my_value", value: "My Actual Value"}])
+iex> Tds.Connection.query(pid, "INSERT INTO MyTable (MyColumn) VALUES (@my_value)", [%Tds.Parameter{name: "@my_value", value: "My Actual Value"}])
 %Tds.Result{columns: nil, rows: nil, num_rows: 1}}
 ```