Cosmetic formatting changes.
Change regex processing to return MS_FALSE if the string to be tested is empty or NULL.
Minor formatting changes.
Add a check to msParseTime() to detect null or empty input strings. No point in trying to parse.
Merge branch 'rfc91-filter-transform' of https://github.com/sdlime/mapserver into rfc91-filter-transform
remove unnecessary to_clob call