Tmp work
Added tests files, samples files and index.js file
Removed unused test files
Added libexiv2-dev to .travis.yml
Fix version for libexiv
Fixed travis.yml
Added ICPT hydrater and tests
Fixed spelling error
Minor changes
Changed some tests, modified messages to be more explicits
Added toString() to err message
Merge pull request #1 from AnyFetch/work

Dev of iptc hydrater