fixes empty sessionId when joining room by id (introduced on 0.9.23)

fixes unwanted 'rejoin' when retrying onJoinRoomRequest. closes colys…

…eus#207

trigger 'leave' on client only after async onLeave has finished. closes 

colyseus#202

fix tests using TypeScript v3.2.1

throw expected MatchMakeError when rejoin session has expired. bump v…

…0.9.20

assign handler immediatelly on 'register' function. fixes colyseus/co…

…lyseus-monitor#6

update tests and usage samples to use new 'register' return type

try to dispose room after allowReconnection has been rejected. closes c…

…olyseus#181 colyseus#182

bump v0.9.16. closes colyseus#174

add Room#setSeatReservationTime() method. closes colyseus#168