Update README.md
Merge branch 'master' of github.com:dmfilipenko/datediff

Conflicts:
	README.md
update readme
update definition
updatee readme
add command for automatization
refactoring
update files
Update README.md
make library module
Merge branch 'master' of github.com:dmfilipenko/datediff
Update version + source files
Update datediff.spec.js