add search functions for licenses, grants, funders, communities and records

I wonder if this is the best approach / api for this, but I could not get to something fancier. Feedback welcome.

Fixes #42 (closed)

eossr/api/zenodo/tests/test_zenodo.py

@@ -6,6 +6,7 @@ import unittest
 import requests
 import pytest
 import tempfile
+import time
 from pathlib import Path
 from eossr import ROOT_DIR
 from eossr.api.zenodo import ZenodoAPI, get_zenodo_records, get_record, Record
@@ -138,6 +139,7 @@ class TestZenodoAPIToken(unittest.TestCase):
         ## Add to escape2020 community and test request
         meta = {'communities': [{'identifier': escape_community}]}
         zk.update_record_metadata(record_id, meta)
+        time.sleep(1)
         records = self.zenodo.get_community_pending_requests(escape_community)
         assert record_id in [rec.id for rec in records]