Opting for a different solution of center data test. Rather than fi…

…xing the test (which was wrong, I know), I fixed the data value (now that's better) to not only evaluate as Boolean, but to really be a Boolean. Closes GH-33.

jquery.reel.js

@@ -197,6 +197,7 @@ jQuery.reel || (function($, window, document, undefined){
             set(_cwish_, negative_when(1, !opt.cw && !stitched));
             set(_reeling_, false);
             set(_brake_, opt.brake);
+            set(_center_, !!opt.orbital);
             set(_tempo_, opt.tempo / ($.reel.lazy? opt.laziness : 1));
             set(_opening_ticks_, 0);
             set(_backup_, {
@@ -525,7 +526,7 @@ jQuery.reel || (function($, window, document, undefined){
               was= get(_frame_),
               frame= set(_frame_, 1 + floor(fraction / get(_bit_))),
               orbital= opt.orbital,
-              center= set(_center_, orbital && (frame <= orbital || frame >= opt.footage - orbital + 2))
+              center= set(_center_, !!orbital && (frame <= orbital || frame >= opt.footage - orbital + 2))
             if (!opt.loops && opt.rebound) var
               edgy= !operated && !(fraction % 1) ? on_edge++ : (on_edge= 0),
               bounce= on_edge >= opt.rebound * 1000 / leader(_tempo_),

test/unit/data.js

@@ -24,7 +24,7 @@
     ok( is('Boolean', $reel.data('backwards')), '`backwards` Boolean');
     ok( is('Number', $reel.data('bit')), '`bit` Number');
     ok( is('Number', $reel.data('brake')), '`brake` Number');
-    ok( is('Boolean', !!$reel.data('center')), '`center` evaluates as Boolean');
+    ok( is('Boolean', $reel.data('center')), '`center` Boolean');
     ok( is('String', $reel.data('classes')), '`classes` String');
     ok( is('Number', $reel.data('cwish')), '`cwish` Number');
     ok( is('Object', $reel.data('dimensions')), '`dimensions` Object');