Calculate a proper step value.
Fix pause/resume.
extract common code from VCR and Vis into new parent class FlxToolbar. Fixes #157, Repeats #160
Merge pull request #213 from Dovyski/refactor-replay-as-plugin

Fix a few problems introduced when replay was re-factored as a plugin.
Fix #212 FlxTilemap can't draw one-column tilemap
Merge pull request #216 from Dovyski/fix-issue-212
remove hideously placed return from system.debug.VCR
Merge pull request #214 from greysondn/fix_157

Fix_157: Create FlxToolbar. Repeat of #160.
Merge upstream dev changes.
Small fix to make FlxReplay play nice with the new Debugger API.