Add some more comments and missing docstrings.
Add some more comments and missing docstrings.

vongazman/libcloud,mbrukman/libcloud,wuyuewen/libcloud,StackPointCloud/libcloud,JamesGuthrie/libcloud,cloudControl/libcloud,smaffulli/libcloud,vongazman/libcloud,niteoweb/libcloud,cryptickp/libcloud,smaffulli/libcloud,aviweit/libcloud,sgammon/libcloud,smaffulli/libcloud,kater169/libcloud,apache/libcloud,MrBasset/libcloud,mtekel/libcloud,apache/libcloud,kater169/libcloud,niteoweb/libcloud,DimensionDataCBUSydney/libcloud,pquentin/libcloud,thesquelched/libcloud,JamesGuthrie/libcloud,Scalr/libcloud,iPlantCollaborativeOpenSource/libcloud,briancurtin/libcloud,Cloud-Elasticity-Services/as-libcloud,cloudControl/libcloud,sergiorua/libcloud,NexusIS/libcloud,lochiiconnectivity/libcloud,Scalr/libcloud,wido/libcloud,Kami/libcloud,sgammon/libcloud,niteoweb/libcloud,NexusIS/libcloud,lochiiconnectivity/libcloud,jerryblakley/libcloud,jerryblakley/libcloud,Cloud-Elasticity-Services/as-libcloud,DimensionDataCBUSydney/libcloud,ZuluPro/libcloud,mgogoulos/libcloud,dcorbacho/libcloud,sahildua2305/libcloud,techhat/libcloud,sfriesel/libcloud,pantheon-systems/libcloud,t-tran/libcloud,mbrukman/libcloud,dcorbacho/libcloud,curoverse/libcloud,pquentin/libcloud,t-tran/libcloud,pquentin/libcloud,jimbobhickville/libcloud,ByteInternet/libcloud,mathspace/libcloud,wuyuewen/libcloud,aviweit/libcloud,carletes/libcloud,illfelder/libcloud,wrigri/libcloud,marcinzaremba/libcloud,pantheon-systems/libcloud,marcinzaremba/libcloud,dcorbacho/libcloud,watermelo/libcloud,iPlantCollaborativeOpenSource/libcloud,Cloud-Elasticity-Services/as-libcloud,schaubl/libcloud,curoverse/libcloud,MrBasset/libcloud,ZuluPro/libcloud,atsaki/libcloud,wido/libcloud,andrewsomething/libcloud,curoverse/libcloud,samuelchong/libcloud,vongazman/libcloud,mathspace/libcloud,thesquelched/libcloud,mgogoulos/libcloud,supertom/libcloud,DimensionDataCBUSydney/libcloud,illfelder/libcloud,t-tran/libcloud,mtekel/libcloud,schaubl/libcloud,munkiat/libcloud,watermelo/libcloud,sahildua2305/libcloud,cloudControl/libcloud,schaubl/libcloud,SecurityCompass/libcloud,jimbobhickville/libcloud,cryptickp/libcloud,mgogoulos/libcloud,illfelder/libcloud,erjohnso/libcloud,munkiat/libcloud,Itxaka/libcloud,thesquelched/libcloud,erjohnso/libcloud,ZuluPro/libcloud,sergiorua/libcloud,atsaki/libcloud,carletes/libcloud,Itxaka/libcloud,Verizon/libcloud,mtekel/libcloud,wrigri/libcloud,samuelchong/libcloud,apache/libcloud,aleGpereira/libcloud,NexusIS/libcloud,mbrukman/libcloud,StackPointCloud/libcloud,supertom/libcloud,JamesGuthrie/libcloud,aleGpereira/libcloud,atsaki/libcloud,wrigri/libcloud,ClusterHQ/libcloud,cryptickp/libcloud,supertom/libcloud,andrewsomething/libcloud,andrewsomething/libcloud,carletes/libcloud,mathspace/libcloud,ByteInternet/libcloud,watermelo/libcloud,sfriesel/libcloud,kater169/libcloud,Verizon/libcloud,sahildua2305/libcloud,ByteInternet/libcloud,techhat/libcloud,aviweit/libcloud,mistio/libcloud,MrBasset/libcloud,jerryblakley/libcloud,Kami/libcloud,StackPointCloud/libcloud,mistio/libcloud,sergiorua/libcloud,ClusterHQ/libcloud,Scalr/libcloud,samuelchong/libcloud,SecurityCompass/libcloud,pantheon-systems/libcloud,briancurtin/libcloud,aleGpereira/libcloud,SecurityCompass/libcloud,Verizon/libcloud,mistio/libcloud,marcinzaremba/libcloud,erjohnso/libcloud,iPlantCollaborativeOpenSource/libcloud,Itxaka/libcloud,wuyuewen/libcloud,sfriesel/libcloud,munkiat/libcloud,wido/libcloud,Kami/libcloud,jimbobhickville/libcloud,techhat/libcloud,briancurtin/libcloud,lochiiconnectivity/libcloud