Log Message:
-----------
Support for more canonical functions
Modified Files:
--------------
Npgsql2/src/Npgsql/SqlGenerators:
SqlBaseGenerator.cs (r1.14 -> r1.15)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/SqlGenerators/SqlBaseGenerator.cs.diff?r1=1.14&r2=1.15)