0.5.0

<b> Selectors Update! </b>

<b><i> Added New Module Type: </i></b> Selectors
<b><i> Added 3 New Modules: </i></b> float_selector, float3_selector, float4_selector (more to come soon!)
<b><i> Added Features: </i></b> Linear and Sequence Interpolation types
<b><i> Modified: </i></b> /engine/include/math.h (with float macros and functions used within selectors)
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