Add setting to skip roman numerals

[wellle]

I like speeddating for dates. I haven't seen or used roman numerals since CMXCVI.

But sometimes I want to something like the following: Increment the number 1 in this line from the beginning of the line:

c.Assert(err1, IsNil)

But instead of err2 I get ci.Assert because the variable name was interpreted as roman numeral.

Please add a setting to disable handling of roman numerals.

[tpope]

You can disable any format with :SpeedDatingFormat! in after/plugin/speeddating.vim. The Roman numeral formats are %v and %^v.

[wellle]

Alright, thank you.