Batcave

- Changed
- Fixed minor_version calculation for single word versions.

- Changed
- Fixed minor_version calculation for single word versions.

- Removed
- Removed pypiwin32 since docker specifies a fixed version.

- Added
- Added pypiwin32 back as it is used by some other package.

- Changed
- Fix minor issues with maven builds.

- Added
- Added build.VisualStudioDatabase product type.
- Added build.MavenBuilder and MavenProduct.
- Added ability to parse python data types in lang.str_to_pythonval().
- Added append_stderr option to sysutil.syscmd().

- Changed
- Fix fileutil.unpack to work with pathlib.Path objects.
- Upgrade docker to 3.2.1.
- Improved SQLScript.execute().

- Added
- Added cmds.SysCmdRunner as a generalized replacement of build.run_build_command.
- Added cloudmgr module.
- Added support for adding and removing IIS sites, apps, and pools.
- Added support for adding and removing servermgr.ScheduledTask.

- Changed
- Added ability to use Logger without writing to a file.
- Make sure npm calls fail when returning a non-zero error code.
- Fixed issue with setting a null list of version files on MSBuildBuilder.
- Update docker to 3.1.4.
- Update GitPython to 2.1.9.