BIGINT to DECIMAL(length) to NUMERIC(19,0).
sybase.rb: get_thl_uri to specify replicator.schema + owner.
cleanup filters.
Restore insert/update/delete/replace methods.
cleanup of sybase.rb. Removing unused commands (never to be used).
commit seq table works.
removed sqlSeparator string.
Added method to handle renaming of schema, cleaned up "table" variable
names.

Added more (temporary) logging for operations and schema name changes.