BibRank: (Overflow|ZeroDivision)Error usability
- Improves handling of OverlowError, ZeroDivisionError in the bibrank word indexer by suggesting the administrator to schedule a regular reindexing of the word similarity tables. (closes #105) (PR #2146)
Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
Reviewed-by: Tibor Simko <tibor.simko@cern.ch>