Added clong, a compatibility class for long().
Added clong, a compatibility class for long().

It is supposed to be used only to define constants.
Instead of

   foo = 1L

write

   from pydoop.utils.py3compact import clong

   foo = clong(1)

crs4/pydoop,simleo/pydoop,elzaggo/pydoop,crs4/pydoop,simleo/pydoop,crs4/pydoop,elzaggo/pydoop,simleo/pydoop,elzaggo/pydoop,crs4/pydoop,elzaggo/pydoop,crs4/pydoop,simleo/pydoop,elzaggo/pydoop,simleo/pydoop