Enhance get_list_of_xx calls by allowing for filter by network id
Enhance get_list_of_xx calls by allowing for filter by network id

mistio/libcloud,mistio/libcloud,apache/libcloud,SecurityCompass/libcloud,erjohnso/libcloud,illfelder/libcloud,ByteInternet/libcloud,vongazman/libcloud,ByteInternet/libcloud,t-tran/libcloud,andrewsomething/libcloud,StackPointCloud/libcloud,mgogoulos/libcloud,vongazman/libcloud,watermelo/libcloud,samuelchong/libcloud,apache/libcloud,t-tran/libcloud,Scalr/libcloud,techhat/libcloud,NexusIS/libcloud,apache/libcloud,mgogoulos/libcloud,watermelo/libcloud,ByteInternet/libcloud,Kami/libcloud,mgogoulos/libcloud,pquentin/libcloud,SecurityCompass/libcloud,techhat/libcloud,NexusIS/libcloud,erjohnso/libcloud,techhat/libcloud,andrewsomething/libcloud,NexusIS/libcloud,StackPointCloud/libcloud,samuelchong/libcloud,ZuluPro/libcloud,Scalr/libcloud,erjohnso/libcloud,Scalr/libcloud,pquentin/libcloud,andrewsomething/libcloud,watermelo/libcloud,illfelder/libcloud,vongazman/libcloud,ZuluPro/libcloud,ZuluPro/libcloud,illfelder/libcloud,pquentin/libcloud,Kami/libcloud,t-tran/libcloud,StackPointCloud/libcloud,samuelchong/libcloud,mistio/libcloud,Kami/libcloud,SecurityCompass/libcloud