fix the bug of strRepr. Now single quote is escaped correctly
GC: Register None
Build fixes

Signed-off-by: Vinzenz Feenstra <evilissimo@gmail.com>
Merge pull request #92 from vinzenz/build-fixes

Build fix
Not sure why greg_t got changed from 'long' to 'long long' in newer versions of glibc; just cast it to be compatible
Merge branch 'strRepr' of https://github.com/xiafan68/pyston into github

Merges #88

Conflicts:
	src/core/threading.cpp
Merge pull request #89 from undingen/chained_comp

Implement chained comparisons
Update comparisons_chained.py
Merge pull request #91 from undingen/none_gc

GC: Register None
doh, silly bug in closureGCHandler
Be more careful about NULLs here
Fix a grwl deadlock in the repl

Well not sure if it's a deadlock; I think we try to
re-entrantly acquire the codegen lock, which then
confuses it later?
Allow users to specify default arguments
Allow users to specify *args and **kw

Required a bit of refactoring in terms of how
parameter specifiers are passed around.
Allow passing **kwargs (at callsites)
Minor fixes, and a new gcj-based benchmark
Add readline support to the repl, instead of wrapping with rlwrap which made things hard to debug
Fix make check: Order includes alphabetical
Fix reversing of > and < compare operations
Fix chained comparions: remove redundant comparisons