Update matcha
Update parse-latin
Fix incorrect fixtures

There was a bug in the modifier code that ignored more than one
abbreviations in a sentence (such as `mt.` and `Yuk.`).
Fix plugin mechanism for changes in parse-latin
Add flat badges to `Readme.md`
Add fixture for non-elision slashes
Refactor module
Update changelog for 0.4.0-rc.1
0.4.0-rc.1