Conflicts:
	CHANGES.rst

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extra : amend_source : 2797e0ad678cc0a33a2548a8a20b00475bc8a21b

Conflicts:
	CHANGES.rst

add context manager test with threading.Lock which previously failed in Py2.6 (by Wouter Bolsterlee)

--HG--
rename : tests/run/withstat_py.py => tests/run/withstat_py27.py

--HG--
extra : amend_source : c827dfd2e781c1a7e1b982601b6ee8e826d5b4ed

--HG--
extra : amend_source : 1bdb5f011d5234a8631b04ac0e5f9df9fe6a4de0
extra : transplant_source : %A1Z%B1%2C%CE%B4%D6%20SMS%CA%12%7D%2B%1A%FC%00%E1%CD

--HG--
extra : transplant_source : G%E0%FEP%AA%EC%9B%8B%06G4%C1x%17%F5Q4F%3Ep

make CyFunction's inheritance from PyCFunction visible at the Python level to let inspect.isbuiltin(cyfunction) return True

--HG--
extra : transplant_source : %8D%99%BA%9D%13e%1E%9E%A8%88%9D%88m%F4D%DFw_%2B%F2

code objects: add number of kwonly args to number of regular arguments in Py2 (which does not support kwonly arguments for Python functions) to make sure they are still visible for introspection