ENH: Added skipcols option for CParser
See #10882 
But I am having trouble testing this change. When I run `nosetests pandas/io/tests/test_parsers.py`, it says `Segmentation fault: 11` and this pops up `Python quit unexpectedly while using the parser.so plug-in.`

Any ideas of how to deal with this?

@jreback Do you know how to fix this? Thanks.
 you need to debug what's happening in cython prob. I usually just insert print statements, but you can also use `gdb` (though haven't done it in a while)
 Ok. Thanks. I thought it's a problem of not having installed some neccessary dependencies. 
 closing, pls reopen if you can fix according to comments
