Dot product with 2D dot 1D DNDarrays

[coquelin77]

Feature functionality
Add functionality for passing in a vector as an argument for dot.

[mtar]

Do you have an example?

[coquelin77]

for this error it was a simple case of dot only working for either 1D x 1D or 2D x 2D. it wasnt an bug that was thrown but an oversight during implementation. The error thrown was a NotImplementedError