add unit tests for api article creation, amcates date deserialization, fix #66
Merge branch 'release-3.3'
<div> tags to be added to text
Merge branch 'hotfix_bzk_html_uploader' into release-3.3
Delete coding from state when deleting row. Fixes #73.
Check for empty value in quality widget. Fixes #67.
Do not overwrite _AMCAT_DEFAULT_OPS. Fixes #74.
Do not issue unsaved changes warning after opening a new coded article. Fixes #75.
handle duplicate 'article codings' in export a bit more gracefully (see #79)
pypdf -> pypdf2
pypdf -> pypdf2, for real yo
Do not save empty sentence codings. Fixes #79.
fixed unit tests
Sort sentence codings by sentnr/parnr. Fixes #76.
fixes #47
Use integers instead of booleans in sort function. Fixes #76.
Enabled compressor for Annotator.
Check sentence property while looking for non-empty codings with no sentence. Fixes #81.
minor codebook upload fix
Allow xlsx uploading, solved google project issue 661