v1.1.2 Minor fixes mostly with user-specified noise (#14)

* feat: use user-provided SD for final estimate

* fix: added ysd_vec; random init if x0 is not provided

* fix: change default initial evaluations back

* docs: updated version

* Update README.md

Updated defaults (#13)

* fix: updated default Ninit to 10 + nvars

* Update README.md

* fix: update version

Update to v1.1.0 (#12)

* feat: first fixes

* refactor: minor cleanup; fix: fixed heteroskedastic noise

* fix: major update to examples, include user-specified noise estimates

* Update README.md

* Update README.md

* Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md