Changelog for epass-0.2.1

If this renders badly as markdown, see the plain text version

0.2 -> 0.2.1 * Replaced deprected Prelude.catch by Control.Exception.catch.

0.1.2 -> 0.2 * Supports GHC-7.0.* and GHC-7.2.1 * Using Haskell2010 * Default MailBox implementation now uses TChan * Removed some warnings

0.1.1 -> 0.1.2

0.1 -> 0.1.1 * Updated demo * Works with time == 1.1.* || == 1.2.*