Emplace into optional to be able to visit variant containers containi… (

getml#234)

Include vector in Literal.hpp (getml#175)

Optimizations for classes with many fields; getml#168 (getml#171)

Make sure that library compiles without bundled dependencies

simdjson inlining and idiomaticity in benchmark (getml#134)

Separate third party libraries; resolves getml#79 (getml#119)

Add a JSON benchmark for licenses dataset (getml#118)

Added support for processors; resolves getml#67 (getml#94)

Co-authored-by: Patrick Urbanke <[email protected]>

Use GTest; resolves getml#34 (getml#90)

Optimizationg for the reader and writer; getml#68