Misc: give better help when command isn't found but coincides with the name of a loaded plugin (ref #912)
Network: don't allow '.' in network names (Closes #874)

Network: fix typo
Merge pull request #919 from GLolol/network/no-dots-in-netname

Network: don't allow '.' in network names (Closes #874)
Merge pull request #920 from GLolol/misc/better-help

Misc: give better help when command isn't found but coincides w/ the name of a loaded plugin