LÖVE 0.10 compatibility

[tpimh]

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In the readme, it's stated:

vudu currently supports Love2D versions 0.10.x and 0.11.x

Indeed, there's a check to translate the colors from 0-255 to 0-1, to be compatible with both the new and the old API.

https://github.com/deltadaedalus/vudu/blob/b3916daa6be47752f40133491a71e76caacf509f/vudu/vudu.lua#L67

However, vudu is using Transform which is not supported by LÖVE 0.10.

There are two solutions: implement compatibility Transform class and use it conditionally like the with selecting the color value range, or just drop support of 0.10 API (~10 years old now) and remove all conditional selections that depend on API version.