Add logic to normalize comma-delimited decimals

[ChanceNCounter]

Closes #65

All languages, including English, will now normalize 34,5 to 34.5 before beginning to extract numbers.

[ChanceNCounter]

For those who don't speak regex, though I encourage you to run the regex through a regex tester, it means this:

.*\d+,{1}\d+:
.* anything, including nothing, followed by
\d+ any number of digits, followed by
,{1} exactly one comma, followed by
\d+ any number of digits

[ChanceNCounter]

aaaand i pushed a hotfix to the wrong branch. closing and fixing.