Allow trivia rank to take an argument

10:09 <+Orillion> ALTER TABLE `pypsd`.`trivia_scores`
10:09 <+Orillion> ADD INDEX `idx` USING BTREE (`channel` ASC, `points` ASC);

Squashed commit of the following:

commit b53f2eaee188fcd5b68554262492197c96f78f71
Author: Adam <redacted>
Date:   Thu Oct 9 16:27:10 2014 -0400

    Whitespace removal

commit 06527500b15f3150a4d65388be4d829220541d92
Author: Michiel <redacted>
Date:   Wed Oct 1 16:34:17 2014 +0200

    Fixed type in function call.
    1 points is now 1 point, because we love correct grammar.

commit f4b08523734c0f64940702c962e219d8a00744cf
Author: Michiel <redacted>
Date:   Wed Oct 1 16:20:26 2014 +0200

    Obsolete check not as obsolete as it looks!

commit 712bbdb82f4b4aff894ca8543e143f02a86cd4fc
Author: Michiel <redacted>
Date:   Wed Oct 1 16:10:17 2014 +0200

    Index is now (channel, points)

commit a58c2e216a6d26cc72787ee5b017eb9b9b12a70d
Author: Michiel <redacted>
Date:   Wed Oct 1 16:04:30 2014 +0200

    Changed INDEX on trivia_scores from NICK to POINTS column

commit 00ab43b5db63b0aa041d9c34bb337a354a9bad8d
Author: Michiel <redacted>
Date:   Wed Oct 1 16:01:55 2014 +0200

    Removed obsolete check.

commit 6ce6a94510afbd657e75a8a64c8cfefd1dd26ed7
Author: Michiel <redacted>
Date:   Wed Oct 1 15:57:13 2014 +0200

    New SQL query for .rank.
    Added indices to Trivia Scores table.
    .rank now returns a notice if a nickname cannot be found.

commit dda59af7d490d1d29382e087fb1b93275d357591
Author: Ethan Jones <redacted>
Date:   Wed Oct 1 02:09:50 2014 -0500

    fixed trivia message return grammar

commit b170d604a459133288512b1336ea9824d3631281
Author: ethan jones <redacted>
Date:   Fri Sep 26 14:13:38 2014 -0400

    allows .rank to take an argument, i think