Added coveralls

Plus, some minor code cleanups.
Trying to fix Travis build
Better handling for not connecting or json decodeerro
Merge pull request #23 from cwood/dev

Better handling for not connecting or json decode error
Unicode search string
Removed max_url_length
Removed ttp dependency
Testsuite improvements

* draft of functional tests
* utils for helpers
* python 3 support
Release preparations

* nose_setenv removed due to py3 incompatibility
Fixing Travis
Excluding matric build + relative import
Proper exclude for Travis, Django 1.5c2
Include vs exclude, updated tox
Documentation minor improvements + travis again
Django 1.5c2 for 3.3
Getting rid of atexit bugs of nose
Well, it's skipped anyway
Bumping to 1.1

[ci skip]