Math by GravityView 2.6.1

Math by GravityView 2.0.6


* [GravityView (the company) is now GravityKit](https://www.gravitykit.com/rebrand/) and this plugin is now called GravityMath!
* Added: Support for product field with "Radio Buttons", "Drop Down" and "User Defined Price" field types

__Developer Updates:__

**IMPORTANT: `GravityView_Math_*` classes were renamed to `GravityMath_*` and future versions will see `gravityview/math/*` hooks renamed to `gk/gravitymath/*`**

* Fixed: "Trying to get property of non-object" notice when displaying a View with footer calculations
* Fixed: Incorrect calculation of the average Quiz Score
* Added: Option to calculate a sum of the Quiz Score

* Fixed: Filters using CONTAINS or NOTCONTAINS operators would not work
* Fixed: Filters would not work with multi-input fields unless the exact input is specified