Abbasc52/actions for nested levels (microsoft#182)

* Added support for nested rule actions

* Changed type for Actions

made AddWorkflow throw exception when trying to add an workflow which…

… already exists (microsoft#162)

Update RulesEngine.csproj (microsoft#130)

Abbasc52/null rule param fix (microsoft#119)

* Fixed scoped parameter throwing exception on compilation error
* Fixed null RuleParameter throwing exception
* Replaced thrown Exceptions with RuleException

Fixed scopedParams runtime error not logging as exception message (mi…

…crosoft#108)

Made runtime error log as exception message by default (microsoft#107)

Update dotnetcore-build.yml (microsoft#100)

* Update dotnetcore-build.yml

* Update dotnetcore-build.yml

* Update dotnetcore-build.yml

* Update dotnetcore-build.yml

* Update dotnetcore-build.yml

* Update dotnetcore-build.yml

* Update dotnetcore-build.yml

Fixed LocalParams Cache not getting cleaned up (microsoft#93)

* fixed namespace issue (microsoft#82)

* fixed namespace issue
* added editorconfig
* cleaned up files based on editorconfig

Updated version number to 3.0.0 (microsoft#79)