Merge pull request #1 from winebarrel/master

Add support for matching using Procs.
Update for 0.2.3 release.
Updated daemon2 test DNS with more generic DNS resolver.
Bumped version, minor incompatible changes.
Added better support for modifing replies that are passed through.
Match any argument that responds to :call, not just Proc.
Improved debug output for reading and writing data.
Print out some information about which interfaces are being listened on.
Minor update to todo list in readme.
Minor update to whitespace.
change log level of add_answer to debug
Merge pull request #4 from satoship/change_log_level

Change log level of add_answer to debug
Updated documentation to markdown.
Changed license from GPLv3 -> MIT.
Bumped version for gem release.
Update for Ruby 1.9.3. Improved error handling.
Add support for responding to ANY requests, with example.
Updated the build system.
Reworked the tests.
Added new resolver using event machine. Bumped version.