v.2.2.0

Major changes

Using requests package to fetch data.
Add postgis, a Spatial support for postgres.
Update ls, include more details about the scripts.
update license lookup for datasets
Update keywords lookup for datasets
Use tqdm for all progress tracking.
Changed all "-" in JSON files to "_"

Minor changes

Documention refinement.
Connect to MySQL using preferred encoding.
License search and keyword search added.
Conda_Forge docs
Add Zenodo badge to link to archive
Add test for extracting data

New datasets

Add Noaa Fisheries trade, noaa-fisheries-trade.
Add Fishery Statistical Collections data, fao-global-capture-product.
Add bupa liver disorders dataset, bupa-liver-disorders.
Add GLOBI interactions data. globi-interaction.
Addition of the National Aquatic Resource Surveys (NARS), nla.
Addition of partners in flight dataset, partners-in-flight.
Add the ND-GAIN Country Index. nd-gain.
Add world GDP in current US Dollars. dgp.
Add airports dataset, airports.
Repair aquatic animal excretion.
Add Biotime dataset.
Add lakecats final tables dataset, lakecats-final-tables.
Add harvard forests data, harvard forests.
Add USGS elevation data, usgs-elevation.