0.1.5

Fixed issues #7 and #8

Maintain Order

Add Maintain Order feature to allow for keeping multiple sliders from going above or below their siblings.

Filter & Dynamic Floor & Ceiling

Added display-filter property.
Added watch / reset handles / bubbles when floor and ceiling are updated.
Added Demos for updated functionality.

Bubble Collision Detection & Key Directive

Added a fairly solid collision detection for the bubbles as you move the handles around. This is not perfect but pretty good if your bubbles are not huge and or your handle count is reasonable.
Added the key directive to display the sliders value / title / color if applicable

Fixed Initial Render Issue

Fixed rendering issue when bubbles are set to true they were not properly aligning with their handle. Research that and set a timeout to make them align 1 ms after and so there is now a slight delay in proper placement but it works.

0.1.0

Updated directive to utilize ngModelController to set $dirty and $pristine for form input validations. Added additional examples including an UI Bootstrap Modal.

**Breaking changes: changing sliders= to ng-model=

Initial Release

0.0.1

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