Get rid of GuidGenerate calls.
Added boolean operators to plUUID.
Remove all uses of GuidToString.
Clean up for Python interface stuff.
Replace Uuid with plUUID EVERYWHERE.
Fixes for UUID compilation on Windows.
Proper detection for G++ and Clang.
Fix a cast error and check UUID size.
Merge pull request #245 from dpogue/cxx11

Proper detection for G++ and Clang for the C++11 flag
Fixes pointed out by @zrax and @hoikas.
Merge pull request #248 from dpogue/uuid-fixes

Replace pnUtUuid with plUUID.