Fix not returning errors
Fix integration tests
Add more tests
Make task filtering actually work
Change tests
Fix using filter conditions
Fix test
Remove unused fields
Fix static check
Remove start and end date fields on task collection
Fix misspell
add filter logic when getting tasks
Add parsing filter query parameters into task filters
Start adding support for filters
Co-authored-by: kolaente <k@knt.li>
Reviewed-on: vikunja/api#243
