hash2curve 0.0.6

A suite of hash to curve ECC algorithms
Documentation
# Version 0.0.5
- Start work on G2
- Fix doc_cfg issue
- Add benchmarks
- Fix for 32-bit builds e.g. WASM

# Version 0.0.4
- Allow G1.0 to be public

# Version 0.0.3
- Attempt to fix doc.rs

# Version 0.0.2
- API clean and simplification
- Added G1 convenience wrapper
- Moved some of the tests to be regression tests

# Version 0.0.1
- Initial Version
- BLS12-381 G1 Simple SWU