moved all helper functions to bottom of script. the global functions no longer use globals variable, but instead use a static class variable
removed period in documentation
added help method with documentation
added tests for help method
reimplemented the global helper functions
added global helper function for the help method
removed docs
added phpdoc.xml, a configuration file for phpDocumentator 2
Merge branch 'feature-help-function' into develop
Merge branch 'develop'