Pmidcite

* ADD function, get_dict(), to get a dict containing data member values from the NIHiCiteEntry
* DEPRECATED:
* Use entry.get_dict() instead of accessing the dict data member directly.
The dict data member is deprecated and will be replaced with a namedtuple.
* UPDATE apikey: Separate apikey into its own variable in its own module
* UPDATE src/pmidcite/eutils/cmds/base.py: If rsp is not json, text, asn.1, return dict from xml format
* UPDATE README.md to make first text more concise

* UPDATE codeql-analysis.yml by manodeep in 54
* UPDATE GNU Affero General Public License v3.0 (GNU AGPLv3) & more Copyrights by dvklopfenstein in 56
* UPDATE for pytest
* UPDATE Copyright cleanup
* ADD function get_indexs
* ADD function summarize_papers
* ADD QUERY to summary prints by dvklopfenstein in 59
* Run workflow by dvklopfenstein in 60

* ADDED GNU Affero General Public License v3.0 (GNU AGPLv3)
* CHANGED DV Klopfenstein to DV Klopfenstein, PhD
* REMOVED references to versioneer

* ADDED summarize_papers script
* ADDED requests package as a pre-requisite
* CHANGED API to NCBI E-utils such that a missing LID (Local ID) is ignored on a PubMed entry

* CHANGED setup.py PACKAGES variable to run install make target

* ADDED `icite` to new package module, pmidcite.scripts
* CHANGED `pip install .` to `pip3 install .` in makefile and README.md