Error 429 shall no more occur
Error 429 shall no more occur

Added timestamp checks to avoid spaming Mojang's REST API when fetching players data.
If a request is done more than one time in a time interval lower than 30 seconds, Mojang's API send an 'Error 429'.

Khroki/MCEdit-Unified,fhfuih/MCEdit-Unified,Khroki/MCEdit-Unified,fhfuih/MCEdit-Unified,fhfuih/MCEdit-Unified,Khroki/MCEdit-Unified