re-rewrite README
[squash](https://github.com/jsdelivr/libgrabber/pull/21#issuecomment-50021324)
+ direct example link

https://github.com/jsdelivr/jsdelivr/commit/8066336a0674ef2418494ba7ee382081084c6627
Merge pull request #22 from tomByrer/master

re-rewrite README
Update dependencies (tar, npmconf, npm-registry-client)

(Possibly) fixes EINVAL unhandled exception
0.3.5
Fixed invalid JSON in documentation
Merge pull request #23 from bzmwillemsen/fixDocumentationJSON

Fixed invalid JSON in documentation
fix internal linking, add <hr> to divide "Run your own"
Merge pull request #25 from tomByrer/patch-1

fix internal linking, add <hr> to divide "Run your own"
Fix typo
Merge pull request #28 from mar10/patch-1

Fix typo
Handle semverish versioning schemes