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

Merge remote branch 'jsnyder-tree/master'

Changes to compile on OS X.

base: noted in CHANGELOG pending 0.3.0 release

(0) -100 -10 tip

mercurial