Turned Path and Shape into separate types

[jvoigtlaender]

addresses https://github.com/elm-lang/core/issues/234

[jvoigtlaender]

Merge this? You (@evancz) agreed in #234 that this separation should be enforced.

[jvoigtlaender]

Merge this? You (@evancz) agreed in #234 that this separation should be enforced.

[jvoigtlaender]

Merged current master to make sure this still compiles.

[jvoigtlaender]

Merged current master to make sure this still compiles.

[evancz]

Thanks! This finally became a requirement with the new documentation tool.

Also, thanks for all the great PRs! The are always reasonable improvements with well-done PRs. Sometimes it takes me a while to realize it's the right thing though!

[evancz]

Thanks! This finally became a requirement with the new documentation tool.

Also, thanks for all the great PRs! The are always reasonable improvements with well-done PRs. Sometimes it takes me a while to realize it's the right thing though!

[vilterp]

@evancz this change makes elm-diagrams not compile, so I would be in favor of the next core being a major version change

[vilterp]

@evancz this change makes elm-diagrams not compile, so I would be in favor of the next core being a major version change

[evancz]

Oh, it totally is a major change. If you try out elm-package diff it'll say why :)

[vilterp]

@evancz this change makes elm-diagrams not compile, so I would be in favor of the next core being a major version change

[vilterp]

@evancz this change makes elm-diagrams not compile, so I would be in favor of the next core being a major version change

[evancz]

Oh, it totally is a major change. If you try out elm-package diff it'll say why :)