updating README

Update README.md

wrong order of src dst when using copyfile, fixes #53

fixing bug where all git urls were being cloned instead of downloadin…

…g zip

Merge branch 'master' of https://github.com/mobeets/mpm

added mpm freeze, fixes #36

loadjson fix

counts folders starting with + as valid mfile dir

can now search for packages and specify args in requirements

Merge pull request #16 from sin-mike/master

':' removal for win-paths fix