Update composer installation instructions
Add Travis build badge
[FIX] Provides a suitable response in case of bad implementation of class

Signed-off-by: Kayo Hamid <kayo@bvcupons.com.br>
[FIX] Better error message

Signed-off-by: Kayo Hamid <kayo@bvcupons.com.br>
[ADJUST] Using HTTP codes to differentiate the exceptions.

Signed-off-by: Kayo Hamid <kayo@bvcupons.com.br>
[MINORFIX] Change the error code for 500

Signed-off-by: Kayo Hamid <kayo@bvcupons.com.br>
Merge pull request #1 from khflab/master

[FIX] Provides a suitable response in case of bad implementation of clas...
Fix identation on composer.json
Merge pull request #2 from malukenho/master

Fix identation on composer.json
Add PHP 5.5 to Travis config
Add Syntax highlighting on source code examples
Merge pull request #3 from malukenho/patch-3

Add Syntax highlighting on source code examples
Adds test for addMap.
Corrects type of assertion used in tests.
Merge pull request #4 from Achal-Aggarwal/unit-tests

Adds some tests.
Enable PHP 5.6 testing, replace version from last PR with placeholder
Tagging release 1.1.2 - 2014-08-23_14-40-36
Add CONTRIBUTING.md
Enable PHP 5.6 testing, enable PHPCS, pull test dependencies via Composer
Add branch alias