birthday
kayvee_test: Title and Output are always strings
README: add example, testing instructions, changelog

- use doc.go (godocdown) to generate readme
drone: bump go to version 1.3
tests.json - to version 0.0.2. - allow empty data in format method
drone: revert go1.3 -> go1.2 (image for 1.3 not found)
test: kayvee spec (tests.json) v0.0.3
makefile: setting to v0 until kayvee interface stabilized
Merge pull request #1 from Clever/birthday

birthday