Updated AbstractCodeParser to find method calls and variable declarations in the global scope.
Updated ParentScope property to update related properties upon moving
* VariableType in VariableDeclaration
* Arguments and CallingObject in MethodCall
* CallingObject in VariableUse
* added ParentScope property to IResolvesToType
Added documentation for ToString methods
Removed unused ParseFileUnit method (was commented out)
Merged changes from github
Removed TestFileUnitParsing_Bullet_All() test (is redundant now)