Feature/modules

[joshcarp]

Changes proposed in this pull request:

• Adds command arrai mod which has the following commands:
  • arrai mod get <repo> will get a repo/version and add it into arrai_modules/arrai_modules.yaml
  • arrai mod update <optional repo> will update the repo: Checklist:
• [x] Added related tests
• [ ] Made corresponding changes to the documentation

> arrai mod get github.com/joshcarp/sysl-1 
2020/10/01 14:00:21 updating github.com/joshcarp/sysl-1 -> github.com/joshcarp/sysl-1 : 3ea6595d97b892194bb252839c17e96052997167

> cat arrai_modules/arrai_modules.yaml 
imports:
  github.com/joshcarp/sysl-1: github.com/joshcarp/sysl-1@3ea6595d97b892194bb252839c17e96052997167

> arrai mod update 
2020/10/01 14:02:03 github.com/joshcarp/sysl-1 -> github.com/joshcarp/sysl-1@3ea6595d97b892194bb252839c17e96052997167
2020/10/01 14:02:03 github.com/joshcarp/sysl-2 -> github.com/joshcarp/sysl-2@0e19b891da4ea38e82910a5ef3dc24692ab711ce
2020/10/01 14:02:03 github.com/joshcarp/sysl-3 -> github.com/joshcarp/sysl-3@999e71ebb07887c1056d86cad53f44d0d4e7bf19
2020/10/01 14:02:03 github.com/joshcarp/sysl-4 -> github.com/joshcarp/sysl-4@b68bb22d608708b88125579c012ac1f71b156ced

Note that these commands will only work in the root of a repository (versioning assumes that all arrai files will be executed from root also) this is a current limitation that will be addressed in the near future

[coveralls]

Pull Request Test Coverage Report for Build 281656362

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 0.0%

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Totals
Change from base Build 281501918:	0.0%
Covered Lines:	0
Relevant Lines:	0

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💛 - Coveralls