Only pass necessary params

Drop Ruby 1.9 support

Don't assign cas variable directly

Merge remote-tracking branch 'bzed/0.1.x'

Merge remote-tracking branch 'siliconalchemy/params_pat'

Merge remote-tracking branch 'fheinle/support_accounts'

Merge remote-tracking branch 'fheinle/hookconfig'

Fix syntax error, introduced by rubocop ideas :(

Releasing 0.1.16

Release 0.1.15