Accept dir-/basename due to edge cases like "/" and "foo"
Don't warn about single quotes in args to perl
Fixed parsing of | outside of groups in =~ regex
Added Fedora prerequisites in README
Don't warn about expr if using : operator
Merge pull request #16 from carenas/master

gitignore and makefile for building with cabal and make
Accept ./? in function names
Merge branch 'master' of github.com:koalaman/shellcheck