inspirehep/invenio — pull request #24 by fpoli (2014-07-28 13:21:16+00:00)
Title: WebSearch: date operators `<=` and `>=`

* Replaces the SPIRES operators `<=` and `>=` with
the Invenio operators before the equal signs removal
and before replacing the date before/after operators

* Adds unit tests to the query parser

Signed-off-by: Federico Poli