* Added a 'CUTS.SHA1_HASH' field to the database.
* Incremented the database version to 261.
* Added a 'Sha1' column to the Cut List in 'rdlibrary/audio_cart.cpp'.
* Added 'RDCut::sha1Hash()' and 'RDCut::setSha1Hash()' methods in
'lib/rdcut.cpp' and 'lib/rdcut.h'.
* Added a '--rehash=' directive to rddbcheck(8).
* Added a 'Rehash' Web API call.
* Added an 'RDRehash' class in 'lib/rdrehash.cpp' and 'lib/rdrehash.h'.
* Added rdxml_parse_test(1) in 'tests/'.
* Added a RDCart::readXml()' method in 'lib/rdcart.cpp' and
'lib/rdcart.h'.
* Fixed a typo in the 'averageSegueLength' field in the 'RDCart::xml()'
method in 'lib/rdcart.cpp'.
* Removed the 'validity' field from the output of the 'RDCart::xml()'
method in 'lib/rdcart.cpp'.
* Removed the 'validity' and 'localCounter' fields from the output
of the 'RDCut::xml()' method in 'lib/rdcut.cpp'.
* Added a 'Cut Log' report in 'lib/export_cutlog.cpp'.
* Added 'DESCRIPTION' and 'OUTCUE' fields to the '_SRT' table
schema.
* Incremented the database version to 255.