Add s-present?
Remove double negation.
Merge pull request #46 from rejeep/s-present

S present
Release 1.8.0
Move s-presence into the misc bucket
Add s-count-matches

s-count-matches does the same as count-matches, but instead of counting
occurrences of regexp following point it takes a string argument.
Merge pull request #50 from expez/s-count-matches

Add s-count-matches
Add Lars Andersen @expez to list of contributors
Release 1.9.0