Work on some kb stuff. Stash for now.
Keep up with master.
Working PoC for ByvanckB.
Handle deletions in OAI-MPH and correctly parse dates.
Correct license and take thumbnails too.
Documentation.
Fix typo
Merge branch 'master' into breyten-byvanckb
Fix typo. See #37
OAI: Add support for absent resumptionToken element
Merge branch 'breyten-byvanckb' of https://github.com/openstate/open-cultuur-data into breyten-byvanckb
Some minor changes to the ByvanckB item:

- Don't store thumbnail URLs
- Removed unsed namespaces
- Skip mime_type lookups since all images are jpg
- Don't store any date related info when date can't be parsed
- Added 'dcterms:spatial' to 'all_text'
Merge pull request #37 from openstate/breyten-byvanckb

Added source: ByvanckB