Classes and namespaces have constants.
Implement the ability to define constants.
Fix class name reference.
Fix wrong typehint.
Fix unqualified static method call.
Support finding variables by string, since they aren't special
Move fixture to fixtures directory.
Functions must be looked up by name.
Merge branch 'master' of github.com:lowjoel/phortress

Conflicts:
	lib/Phortress/Dephenses/Taint/InputSources.php