* Fixed a bug in the rivwebcapi 'RD_ListLogs()' that caused
corruption of log names containing multi-byte UTF-8 characters.
* Fixed a bug in the rivwebcapi 'RD_ListLog()' that caused
corruption of log names containing multi-byte UTF-8 characters.
* Fixed a regression in the 'RDLogEvent::insert()' method
that threw a segfault when applied on am empty log.
* Fixed a bug in date/time parsing methods that could cause
segfaults.
* Refactored routines for parsing/writing standard date/time strings
(RFC822 and XML xs:dateTime formats) into 'lib/rddatetime.[cpp|h].
* Removed the 'RDWebDateTime()', 'RDGetWebDateTime()',
'RDGetWebDate()', 'RDGetWebTime()', 'RDGetWebMonth()',
'RDXmlDate()', 'RDXmlTime()', 'RDXmlDateTime()' and
'RDXmlTimeZoneSuffix()' functions from 'lib/rdweb.[cpp|h].
* Added a 'dateparse_test' test harness.
