[enh] test remove on DecoratorLineProxyList
[enh] test and make work __setslice__ on DecoratorLineProxyList
[enh] test __delslice__ on DecoratorLineProxyList
[enh] test __getslice__ on DecoratorLineProxyList
[enh] test extend on DecoratorLineProxyList
[enh] test DecoratorLineProxyList in indented situation
[mod] update TODO
[mod] update CHANGELOG
[fix] don't overwrite variables in tests
[enh] start to move RedBaron to a LineProxy instead of a NodeList
[enh] fix more tests
[fix] fix paths tests
[enh] wouhou, fix for good all those good damn tests \o/