Int conversion to long in py2.x
    Updated to current master
    Droped HyInt/HyLong commit
Added type coercing to the right integer for the platform
Allow macros to return None, fixes #357

Allows Hy macros to return None, to test this

  (defmacro foo [])
  (foo)

Should work now
Add versionadded directive to cli.rst.
Merge pull request #361 from berkerpeksag/spy-versionadded

Add versionadded directive to cli.rst.
Merge pull request #358 from theanalyst/feature/macros-none

Allow macros to return None, fixes #357
Merge branch master onto pr/284

Conflicts:
	hy/core/language.hy