Set nextFrameID on goTo()

Fixes an issue where `nextFrameID` is not set correctly when `goTo()` is called directly.
Merge pull request #213 from martinAnsty/master

Set nextFrameID on goTo()
Minor fixes to nextFrameID variable
Update jquery.sequence.js

Changed renderUiElements to only return pagination links of the current sequence instance when using multiple sequence instances on a page.
add setting to prevent animations being reversed when playing in reverse
Expose setting to handle prior firing of window.onload
Merge pull request #223 from oldskool73/reverse-ease-fix

Add setting to prevent easing being reversed when playing in reverse
Merge pull request #224 from slickmb/task/pre-loaded-window

Expose setting to handle prior firing of window.onload
Merge pull request #221 from TimBoLanD/patch-1

Update jquery.sequence.js
Merge pull request #1 from IanLunn/master

update from source