add .eggs dir to .gitignore
Revert "use `items` instead of `patternProperties` to enforce type of items in taskDictionary"

This reverts commit bd4f5620f8f30ae0a48b42e2117de7896797ca19.

Conflicts:
	ptero_workflow/api/v1/schemas/post_workflow.json
test error messages when testing 400 status codes
Merge pull request #72 from mkiwala/improve-tests

Improve tests