sympy/sympy — pull request #1775 by thisch (2013-02-12 18:45:12+00:00)
Title: gitignore: add *.c and *.so which are gen. by 'make'

```make``` generates C and so files in sympy/polys which are not listed in .gitignore. This PR adds them to .gitignore.

BTW, i don't know if it is required to type 'make' whenever I want to install sympy (I do it always)