is composer.phar installed flag
ComposerInstall and ComposerUpdate are just ComposerRun wrappers
:Composer* commands only if needed
Cleanup
Merge pull request #6 from detook/augroups

Augroups
use --working-dir option
ComposerOpenJson
ComposerOpenLock
Update documentation
Merge pull request #7 from detook/feature-openJson

Feature open json
Better error handling
Merge branch 'dev'