Small refactoring
Small refactoring

Refactored the _isIntegralType() param function into _isSignedType()
and _isUnsignedType() methods because I've found some cases where
that would be useful, but this is an easy, standalone checkin.



git-svn-id: 88467cb1fb04b8a755be7e1ee1026be4190196ef@16516 3a8e244f-b0f2-452b-bcba-4c88e055c3ca

hildeth/chapel,sungeunchoi/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,hildeth/chapel,chizarlicious/chapel,chizarlicious/chapel,sungeunchoi/chapel,sungeunchoi/chapel,hildeth/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,hildeth/chapel,CoryMcCartan/chapel,sungeunchoi/chapel,sungeunchoi/chapel,chizarlicious/chapel,hildeth/chapel,hildeth/chapel,hildeth/chapel,chizarlicious/chapel,chizarlicious/chapel,chizarlicious/chapel,CoryMcCartan/chapel,chizarlicious/chapel,sungeunchoi/chapel