event_callback.c: Don't delete and re-add the event if the timeout hasn't changed default tip

event_callback.c: Check for event being destroyed during callback

Merge with upstream

base/lua: fixes incorrectly recorded version and prepares a new release

base: adds distribution archive generation functionality to Makefile

base: removes direct dependency on liblua since Lua modules should not directly link master

docs: updates README and CHANGELOG with version notes and impending new tag

(0) -100 -30 -10 -7 tip

mercurial