Upgrade to new syntax

Merge pull request #8 from iamed2/fbot/deps

Fix deprecations

Make Result immutable and improve performance

No longer allocates heap memory! Is faster!

CI updates and minor dependency correction

Latest tagged release will now have correct CI information, and the minimum Julia version has been corrected from 0.5- to 0.5.0-rc1 which is slightly conservative but guaranteed to be correct.