Merge pull request #5 from trustable-code/master

Added 2 procedures for Labels
Added information to ex3.nim concerning where the setting up of boxes starts and where it ends.
Added info to ex5 and ex5 about proc widgetDestroy
Merge pull request #6 from Kentoseth/master

Added information to ex3.nim concerning where the setting up of boxes st...
casefix: Pointer -> pointer
casefix: SizeOf -> sizeof
case fix: pgpointer -> Pgpointer
case fix: pgsize -> Pgsize
case fix: pguchar -> Pguchar
GUInt -> guint
GPointer -> gpointer
Result -> result
Scanner == nil -> scanner == nil
g_type_fundamental -> G_TYPE_FUNDAMENTAL
Instance -> instance
GSize -> gsize
more case changes
...
most things compile, strange bugs with gdkglext.nim
now compiles