Fixed typo in docs
Added initial OpenSearch structures (#245)
Implemented q and bbox parameters to Filter XML (#245)
Added timestart and timestop parameters as per OpenSearch Geo/Time spec (#245)
Completed Time FilterXML (#245)
Switching to time parameter as per CSW3 documentation (#245)
Implemented time parameter to FilterXML (#245)
Removing duplicate validation and conflicting part with CSW3 (#245)
Added Description document and fixed namespaces (#245)
Updated documentation for OGC OpenSearch (#245)
Adding unit tests for OGC OpenSearch (#245)
Updated OpenSearch documentation (#245)
Added expected results in unit tests (#245)