Support for tagging 0.4

[Nyholm]

No description provided.

[codecov-io]

Current coverage is 21.48%

Merging #53 into master will decrease coverage by -0.33% as of 06bc8c1

@@            master     #53   diff @@
======================================
  Files           18      18       
  Stmts          715     726    +11
  Branches         0       0       
  Methods         83      85     +2
======================================
  Hit            156     156       
  Partial          0       0       
- Missed         559     570    +11

Review entire Coverage Diff as of 06bc8c1

Powered by Codecov. Updated on successful CI builds.

[cryptiklemur]

Should those versions be updated in all the subtrees?

[Nyholm]

They are, aren't they?
This is the last repo who's dev-master does not support tagging 0.4. At least to my knowledge.

[cryptiklemur]

👍