move test vcards to spec folder
adds unit testing
adds test for base64 image
fixes code for base64 image
adds test for PRODID
tests are run on changes in lib/*
fixes PRODID bug
return more meaningfull errors
adds private vcatrds to ignorelist
adds test for strange iOS item1 prefix
fix strange item1 iOS bug
test with spec/private-vcards too
update comment to new function name
add test for missing IMPP field
IMPP does not trigger error anymore
README.md explains unit tests
Fix typo
bump version number
ignore files
Merge pull request #5 from caillou/master

Adds unit tests, fixes bugs