replaceState removes first character of hash (#) when it contains dot "."

[romangazarek]

Go to this demo URL:
http://browserstate.github.io/history.js/demo/#hash.with.dots

it is modified to:
http://browserstate.github.io/history.js/demo/hash.with.dots

Line of code:

history.js/scripts/uncompressed/history.js

Line 1703 in d213d8c

History.replaceState(currentState.data, currentState.title, currentState.url, false);

Third argument currentState.url contains bad URL