Feature/update geo vector classes

[Pheubel]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines
• [x] Tests for the changes have been added (for bug fixes / features)
• [x] Documentation has been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...) Format update, new features for vector classes

Is there an open issue that this resolves? If so, please link it here. Implements current suggestions from #491

What is the current behavior? (You can also link to an open issue here) There are currently no API for the suggested API's.

What is the new behavior (if this is a feature change)? Vectors will have access to commonly used functions.

Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?) Due to the changed naming policy users need to update calls to methods involving vectors to be PascalCased.

[capnkenny]

Just wanted to confirm (I understand the work is not completed yet) - this will subsequently update the C APIs as well, yes?

[RubyNova]

Ideally yes.