Added spec tests for /scripts/:script endpoint
Added open-script functionality
Added failure condition handling for open-script
Added get-script-details functionality
read-json-file and read-script-details will now return predictable exceptions
Added script-info reader
Added 501 controller for scripts
Basic happy path implemented
Implemented unhappy FileNotFound path
Added unhappy paths for when cikit.json cannot be read and for when cikit.json is missing the info field
Added tests for read-script-info service
Merge pull request #9 from MorleyDev/issue-1

Fixes #1