Fixed an error where the user filter was not being sent if no extra filters are set in configuration.
Fixed an error where the user filter was not being sent if no
extra filters are set in configuration.

Signed-off-by: Matt Zukowski <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@zukowski.ca>
geo767/rubycas-server,identification-io/rubycas-server,jay3126/ruby_cas_server,infoman/rubycas-server,Windermere/rubycas-server,rubycas/rubycas-server,DiegoSalazar/ROR-RubyCAS-Server,acsellers/cas,adamdruppe/rubycas-server,infoman/rubycas-server,chowells79/rubycas-server,chowells79/rubycas-server,intinno/ruby-cas-server,Windermere/rubycas-server,infoman/rubycas-server,adamdruppe/rubycas-server,adamdruppe/rubycas-server,jay3126/ruby_cas_server,Windermere/rubycas-server,intinno/ruby-cas-server,DiegoSalazar/ROR-RubyCAS-Server,identification-io/rubycas-server,chowells79/rubycas-server,rubycas/rubycas-server,geo767/rubycas-server,acsellers/cas,rubycas/rubycas-server,geo767/rubycas-server,identification-io/rubycas-server