Fixed default command handler not being overridable in some cases
Schrestart now takes seconds as param, not ticks
Allowing to change the current timer value in the restart event
HelpText support added
Automatically generating usage text (ButtonProcessor)
SendChatMessage now takes a ChatMessage param (with a builder)
Code cleanup
/schrestart error msg added
Whole plugin update made async (the plugin list)
Javadoc additions
