Merge pull request #17 from dcousens/master

curve: remove params object
0.9.0
curve: move export to bottom
names: always use fromHex
curves: adds curves json
Merge pull request #18 from dcousens/curves

Curves
names: fix wrong import
names: remove unused Point import
Merge pull request #19 from dcousens/curves

Fix #18
curves: use lowercase hex