add basic composer setup to fix issue #2
Merge pull request #3 from meadsteve/master

Add composer support (Fixes issue #2)
Added description, type, and keywords to composer.json per https://packagist.org/
Prepare to submit to Packagist
Update version to 0.2.0
v0.2.0: Now can be included using composer
Hotfix fix composer.json
update version 0.2.1
Remove print_r from code; label Notifications properly in README.md
Merge branch 'bug-fixes' into development

am into a topic branch.
Removed print_r; fixed README
Moved validation into composite implementation
Minor refactoring to simplify methods
Pulled API related code into its own service class to make classes simpler
Pulled curl into its own class, writing the implementation as an Adapter
Added missing class member