Added hard-coded packet response to allow testing of the decoding.
Added resolver tests.
Merge commit '3d81d18176b762191891de158dc04a1a59af6053' into addResolverTest

* commit '3d81d18176b762191891de158dc04a1a59af6053':
  Fix hosts file bug and tests

Conflicts:
	test/AddrTest/HostsFileTest.php
Removed bogus check in test - there is still an issue so test is marked as skipped.
Merge pull request #11 from Danack/addResolverTest

Add resolver and ResponseInterpreter tests.