Merge pull request #36 from tubedude/release/1.0.0

Release 1.0.0: robust rtsafe solver, native C + Brent, full finance toolkit

Version 0.6.1

Version 0.6.0

Gitignore updated

Version Bump; XNPV in C

Bisection retries in Newton if right limit reached.

Bumped Version

Bumped Version; Added Documentation

Bumped Version