GCPy 1.6.2 release

This is the release commit of GCPy 1.6.2.  Please see the CHANGELOG.md
for a list of updates.  Documentation for GCPy 1.6.2 is now available
at gcpy.readthedocs.io.

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

GCPy 1.6.1 release

This is the release commit of GCPy 1.6.1.  Please see the CHANGELOG.md
for a list of updaes.  Documentation for GCPy 1.6.1 is now available
at gcpy.readthedocs.io.

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

GCPy 1.6.0 release

This is the release commit of GCPy 1.6.0.  Please see the CHANGELOG.md
for a list of updaes.  Documentation for GCPy 1.6.0 is now available
at gcpy.readthedocs.io.

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

Merge PR #324 (Bump requests from 2.31.0 to 2.32.2)

This merge brings PR #324 (Bump requests from 2.31.0 to 2.32.2 in
/docs/environment_files, by @dependabot) into the GCPy 1.5.0
version.

This is a security fix that updates the version of the requests
library, which is a GCPy dependency.

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

GCPy 1.4.2 release

This is the release of GCPy 1.4.2, which includes:

- PR #286 (Github Action for GCPy environment)
- PR #287 (Fix dictionary key error for benchmark plotting)
- PR #289 (Use pegged versions in environment.yml; update GitHub actions

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

GCPy 1.4.1 release

This is the official release commit for GCPy 1.4.1.

This is a bugfix release that fixes the issue that was described in
issue #278.  This was resolved with PR #279.

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

GCPy 1.4.0 release

This is the official release commit of GCPy 1.4.0, which includes:

- Improvements and updates for benchmark plotting/tabling routines
- Reorganized directory structure
- Refactoring of plotting code into shorter routines
- Improved example scripts

For complete details, please see CHANGELOG.md.

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

GCPy 1.3.3 release

Important features include
- Updates and fixes for benchmark scripts
- Improved documentation for installing Conda and GCPy
- Improved documentation for GCHP regridding
- General code cleanup

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

Update version to 1.3.2; Fix syntax error in setup.py; update doc

- Updated version numgers to 1.3.2 in several locations.
- Added clarifying text updates to docs/source/Release_guide.txt
- Updated CHANGELOG.md accordingly.
- Fixed an syntax error in setup.py (cartopy=0.19.0.post1 should be
  cartopy==0.19.0.post1 with double == signs). This was preventing
  packaging for PyPI and Conda-Forge.

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>

Update version numbers to 1.3.1 in various locations

Also updated CHANGELOG.md for 1.3.1

Signed-off-by: Bob Yantosca <yantosca@seas.harvard.edu>