tag was created without v prefix
fixing hour date format masks - fixes #7
bumping version to 0.12.2
renaming array/remove to array/remove-first
adding array/remove-first and array/remove-last
renaming array/replace to array/replace-first
adding array/replace and array/replace-last
bumping version to 0.13.0
Merge branch 'master' into gh-pages
building v0.13.0 docs