v0.5.1

Fix compilation warnings. Allow leap seconds in time? and datetime? macros.

v0.5.0

Fix Elixir 1.2+ deprecation warnings.

v0.4.0

Add date?/1, time?/1, datetime?/1, and within?/3

v0.3.0

Adds macros for guard-safe Integer functions.

v0.1.0

First public release.