Update R/ and package files
Update man/*.Rd
Fix documentation
Update .gitignore
Add is.one.sided-ANY- and is.two.sided-ANY- methods

This takes, e.g. cases where the class is <-, but might be overbroad.
Pre-release version 1.4.0

This version has a documentation problem that still needs to be fixed
Updates before release
Version 1.4.0
Merge branch 'dev'