added masquerade_as and reset_masaquerading methods
added masquerade_as and reset_masaquerading methods

Mahaswami/netzke-core,citrininfo/netzke-core,citrininfo/netzke-core,citrininfo/netzke-core,Mahaswami/netzke-core,citrininfo/netzke-core,Mahaswami/netzke-core