Added MoreLikeThis handler to solrconfig.xml test cores.
Improved scraping of tomcat error.

When scraping for the HTML error message include
the description if found.
Slightly better tomcat errors.
README tweaks. Thanks to @msabramo for the original patch!
Merge pull request #69 from zyegfryed/patch-1

Added MoreLikeThis handler to solrconfig.xml test cores.
Better Unicode behavior under Python 3.
Bumped to v3.1.0!
Merge branch 'upstream/master' into solr4

Conflicts:
	pysolr.py
Merge branch 'solr4'