Update to Communi 1.2.1, which is the new version of the irc library.
Setup memory leak checking on MSVC in debug builds.
Enable better tracking of PCRE allocations for memory leaks.
Update lua_yajl to have better memory leak detection.
Improve lua's memory leak detection.
Fix TEvent handling so it doesn't crash anymore.
Make mpConsole in Host into a QPointer.

QPointer is set to null when the thing it points to is deleted.
Don't access mpConsole if it is null.
Fix memory leaks in the way pcre is used.
Remove dead stats code from AliasUnit.
casts
get url
TMap::vertex
foo
Add a feature for debug builds to prompt to attach a debugger.
Avoid macro max/min with parentheses.
Remove luazip lua bindings on windows.
Make HostManager a member of mudlet (the class) rather than a global singleton so that its lifetime is better understood.
Don't leak the string that defines the regex and since QByteArray's are null terminated and contiguous in memory, we don't need to copy them.
Fix deletion of the various types of user created objects. This probably doesn't fix all instances, but it should be much closer.