Minor indexing performance improvements were done.
Bug#1016 "Indexer is selecting wrong Content-Type" was fixed.
Bug#1024 "Clear database limitations do not work: error ORA-01795" was fixed.
Bug#1044 "-Ewordstat: incorrect unicode sequence" was fixed.
Bug#1110 "'invalid UTF-8 byte sequence detected' when INSERT INTO dictXX" was fixed. This error happened when indexing into PostgreSQL with DBMode=multi. The "intag" column type was changed from TEXT to BYTEA in the tables "dict00".."dictFF".
Bug#1182 "Indexer crashes with -a -y 'content/type'" was fixed.
Bug#1398 "DateFactor does not work with DBMode=blob" was fixed.
Bug#1427 "ORA-01785: maxinum number of expressions in a list is 1000" was fixed.
Bug#1436 "Cannot run -Ewordstat, ORA-01400: cannot insert NULL" was fixed.
