Try to make the mailing lists more findable
Import some more CPython header files, and make some small Pyston tweaks to others
Add a number of C API functions

Working towards getting _sre.c to link (it compiles with the previous include/ additions)
Move some more stuff from capi.cpp to capi/

I guess our goal should be to eventually get rid of this directory -- this stuff
should mostly be just taken from CPython, and we could/should use their directory
names for that.  But for now it feels better than putting it all into a single file.
Add some more stubs
The _sre module now compiles and links (but doesn't run yet)
First steps with pypa side-by-side

Signed-off-by: Vinzenz Feenstra <evilissimo@gmail.com>
More translation

- AugAssign
- BinOp
- BoolOp
- UnaryOp
- For
- Compare
- Number
- Break
- Op translations

Signed-off-by: Vinzenz Feenstra <evilissimo@gmail.com>
More integration and AST_Ellipsis type added

Signed-off-by: Vinzenz Feenstra <evilissimo@gmail.com>
Added more implementation

* Implementations for:
  - yield
  - doc strings
  - long
  - lambda
  - generator support

* Enabled implementation for sets
* updated and fixed comparisons

Applied make format

Signed-off-by: Vinzenz Feenstra <evilissimo@gmail.com>