Committing rustils
Merge pull request #29 from smadhueagle/master

Rustils package
Add libzip wrapper to cargo-central
Merge pull request #30 from cretz/patch-1

Add libzip wrapper to cargo-central
Add numeric to the package list
Merge pull request #31 from bjz/master

Add numeric to the package list
Fix numeric repository url
Merge pull request #32 from bjz/master

Fix numeric repository url
add leveldb bindings