Release notes

#163 - Provide simple API for case format conversions.

#166 - Use a service to keep secrets secure in memory.

#165 - AbstractExecSpec does not honor the process output settings.

#167 - ProvidersTools needs to be able to inject new instances.

#168 - AbstractExecTask is missing three critical methods.

#169 - If preargs is not set in a script definition, it should return an empty string.

OperatingSystem supports the home profile directory variable name via getHomeVar.