Return variable as the error in Promise.resolve function.

Fix Array.delete

Merge pull request #5 from mint-lang/development

0.3.0

Update to new state syntax.

Documentation (#4)

* Start to document modules.

* Document HTTP module.

* Documenting the Array module.

* More documentation.

* Adde If and Unless components.

* Document more modules.

* Remove commas from enums.

* Added flatten and oneOf to Maybe and document some modules.

* Fix documentation indentation.

* Document more modules.

* Document remaining modules.

Merge pull request #2 from mint-lang/decode

Use decoders from runtime.

Added Array.sample and Array.at

Add toMaybe to Result.

Merge branch 'master' of github.com:mint-lang/core

Added setUrl function to window.