feat: `switch` statements
feat: `kernel.toString()` has as well `.getPixels()`
fix: Proper fallback when arguments or constants are not supported
fix: Removal of infamous `|| 'Number'` for argument types and return types
fix: detect circlical logic in `FunctionBuilder.lookupReturnType()` and tests
fix: Allow subKernels to get their type detected as well
fix: `FunctionNode`'s `typeLookupMap` didn't have 'Float' or 'Integer'
feat: Turn off context checking in kernel, via `{ checkContext: false }`, used for `kernel.toString()`
fix: `GPU.upgradeDeprecatedCreateKernelSettings` to have a default return value
fix: Typings
fix: `kernelRunShortcut()` to better switch kernel when replacing
feat: It order to flatten methods, for `kernel.toString()` `utils.flattenFunctionToString()` and light unit testing of it
fix: Added sinon for testing
fix: Bump gl-wiretap
