update commands
aesthetic fix
change start notification
change restart strategy
fix plugin_supervisor restarting twice
fix socket error on server shutdown
add message:nick function
make use of message:nick command
make use of message data structure
add comment after <head> tag handling
update qw interface
update erronious command module
aesthetic update
fix Jid variable shadowing in generator
fix unused pattern
fix unused variable warning
add message:is_history function
fix unused variable warnings
some optimization
update dummy server