Attempt to improve the /LIST timeout for large lists

Attempt to improve the /LIST timeout for large lists

Prior to this, the timer was simply running for 10 seconds from the
start of the query; which could timeout even while data was being received.
Large channel lists (i.e. Freenode) would over-run into the status buffer.

Now we utilize QBasicTimer to create a timer that can be easily
restarted everytime we receive a RPL_LIST. Inital timeout is 5 seconds
and 5 seconds after each RPL_LIST. We also now remove the timer after
receiving a RPL_LISTEND instead of letting it tick.