adds additional predicate functionality
Adds improved error checking and single document indexing
Small style changes and naming improvements
adds documents per second and improves single document crawling.
improves exception handling for single-document crawling
adds improved exception handling
minor stylistic updates
more minor stylistic changes
slight refactoring removes duplicate code
adds minor fixes and additional comments
Reduces the number of times the crawler performs a commit() operation
Upgrade to Solr 4.9
Updates document strings
minor formatting and style changes
Merge branch 'solr-predicates'
Adds updated Solr functionality.