Upgrade libgccjit.version
Limit new Floatxx types to master branch only
apply rustfmt
Make new types available only when requested
Make new types available only when requested
Check if Float16 and Float128 are supported by the target platform
Replace Float with Float32 and Double with Float64 if target dependent type is defined
Add support for Float16|32|64|128 in the builder
Fix cargo fmt errors
Update gccjit wrapper
update hash of ligccjit