Added possibility to use IP ranges (ex. 192.168.1.0/24) to no_proxy environment variable
Added test for domain name no_proxy matching.
Added kamil.madac to Authors
Redesigned no_proxy ip range imlementation to use only stdlib functions
Small test added
Merge remote-tracking branch 'origin/master'

Conflicts:
	test_requests.py
Revert "Small test added"

This reverts commit f0d3edf4090f3228f576cee665e3135052fbf303.
Merge branch 'master' of https://github.com/kmadac/requests
Unnecessary files kmadac.xml deleted
Tests added
Better comments
Additional tests added
Tiny comment fix
Broad exception fixed
Typo fixed
function is_ipv4_network renamed
more detailed check of cidr format
Merge pull request #1770 from kmadac/master

Implemetation of IP address ranges for no_proxy environment variable