Added simple logging facility, replaced prints to stderr with logger calls
Fixed merge detritus
Modularized logging facility, every module has it's own logger
Forget to add the new modules
Merge branch 'master' of git://github.com/gbrindisi/combine into gbrindisi-master
New grequests version, added exception handler support to map()
Merge pull request #82 from gbrindisi/updated-grequests

New grequests version, added exception handler support to map()
Fixing requirements spec, it can't have the '/0.3.0' at the end
Added the exception handling to the local files as well (#78)
Merge pull request #83 from mlsecproject/gbrindisi-master

Logging + Updated grequests + exception handling (closes #78, closes #32, closes #34)