Includes using bottleneck for performance when it is available.

Implement weighted sum and test...

The worry is that users may be passing in functions
that expect masked data and we don't want to...

Putting it all in one place is the current
practice.

Also fix a couple of small sphinx-related issues

Yes, I changed one test to get this to pass. Note, though, that the test
was of the return value...

Return uncertainty and mask from combine function

Escape regex special characters in FITS keyword values used for IFC filtering

Remove commented-out vestigial pprint() statement from
``test_filter_on_regex_escape_characters(...

modified: ccdproc/tests/test_image_collection.py

modified: ccdproc/tests/test_image_collection.py

In ``ImageFileCollection()``, filtering by keyword is done with use of regular
expressions. In ...

Update CHANGES.rst to reflect commit 42c11350442563e26eb029c35b0ba839c1879303
where, now, ALL re...

The original PR for this issue [#770] manually added escapes for parentheses.
As it turns out, p...

Update dependency versions

MNT: Do not write config on import

modified: CHANGES.rst

The actual test would require test data that contains a FITS keyword whose value
includes a pare...

modified: CHANGES.rst

In `ImageFileCollection()`, the method `_find_keywords_by_values()` uses regular
expressions to ...

MNT: Replace master with main

Fix logging when user omits keyword argument name

Fixes #704 by matching each positional argument with its name regardless
of whether the user pro...

Some housekeeping items

Document use of `ImageFileCollection` with `Combiner`/`combine`

Fix CI badge.

Fix bug when ImageFileCollection.filter() would return an empty collection

modified: AUTHORS.rst
modified: CHANGES.rst

If the filtering criteria passed to ImageFileCollection.filter() would return
an empty collectio...

Reduce test warnings

Update Zenodo badge to latest release

DOC: Replace astropy channel with conda-forge

Change `combine` and `Combiner` to accept a generator

Fix Read-the-docs ccdproc version

WIP: Switch to github actions

They don't seem to work on mac anymore 🤷‍♂️

MNT: Set max-line-length for flake8

Add memory_profiler as a test requirement [#730]

Using temporary files in tests

Travis CI test fails for
`test_header_with_long_history_roundtrips_to_disk` on Windows due to
fi...