Merge pull request ideal-postcodes#68 from cblanc/master

Upgrade dependencies, drop node 0.x support

Merge pull request ideal-postcodes#64 from cblanc/master

closes ideal-postcodes#63

Added ccg data

Updated dependencies

Updated documentation for new outcode route

Updated home page for new outcode route
Added method to lookup outcode

Updated

Updated
Minor changes
Bump to v1