Fix VCString return values in modpython
Fix VCString return values in modpython

The list of functions which returned list of unknown objects instead of
list of strings:
* CMessage::GetParams()
* CZNC::GetMotd()
* CZNC::GetTrustedProxies()
* CZNC::GetBindHosts()

markusj/znc,BtbN/znc,elyscape/znc,znc/znc,Zarthus/znc,elyscape/znc,dgw/znc,dgw/znc,dgw/znc,DarthGandalf/znc,Zarthus/znc,znc/znc,dgw/znc,markusj/znc,psychon/znc,psychon/znc,markusj/znc,markusj/znc,psychon/znc,psychon/znc,znc/znc,markusj/znc,Zarthus/znc,DarthGandalf/znc,DarthGandalf/znc,Zarthus/znc,psychon/znc,BtbN/znc,BtbN/znc,markusj/znc,znc/znc,dgw/znc,elyscape/znc,elyscape/znc,elyscape/znc,Zarthus/znc,BtbN/znc,znc/znc,DarthGandalf/znc,BtbN/znc,BtbN/znc,elyscape/znc,Zarthus/znc,DarthGandalf/znc,DarthGandalf/znc,dgw/znc,znc/znc,psychon/znc