Log Message:
-----------
Implementation of some more operators for prefix_range: =, <>, <<, <<=, >>, >>=
Modified Files:
--------------
prefix:
prefix.c (r1.15 -> r1.16)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.c.diff?r1=1.15&r2=1.16)
prefix.sql.in (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.sql.in.diff?r1=1.4&r2=1.5)