Merge branch 'release/0.8.2' into dev
Upadates dependencies
Updates test to latest solr versions
Utility function to convert datetimes into ISO8601 format
Fixes travis config file
Fixes solr 3.X tests
add a timeout parameter
need to set timeout before get_version is called
Added timeout as a paremeter in _post_json
Bumps version to 0.8.3
Merge branch 'release/0.8.3'