quick fix for  search results
ovrrided searchequeryset to avoid None results
prevent search result view to pass None results to the Paginators
hastack SearchQuerySet.__len__ may return <0. this breaks len()
fix highlighting for 's' starting words. added highlighting tests
fix typo in tests ( made them pass :/ ) and fix highlighting
fix search user criterion
readded quote processor + tests
readded quote processor + tests
Merge branch 'lisael' of github.com:sem-io/pybbm into lisael
PEP8