Add feature to parse INCLUDE when calling setTemplate.
Call method to load INCLUDE files from setTemplate.
Fix save cache with no name.
Add core class.
Move constants to their own file.
Update PHP unit configuration.
Add new constant.
Add sigma exception.
Update PHP unit bootstrap file.
Update Sigma doc-blocks.
Update read-me.
WIP - move core of Sigma to Parser.
Update code converage.
Make SigmaException hub for setting error messages.
WIP - break-out Sigma to muliple classes.