Fix join test for compliance tester
Add join-along compliance test
get-rows and get-columns moved to protocol implementations
dataset implementation added
PDatasetImplementation added to test-default-implementations
Merge pull request #176 from mars0i/develop

Changed version in project.clj to match pom.xml.
Merge pull request #175 from Gerrrr/feature/dataset_implementation

Dataset implementation
Change to using doseq for tests
Merge pull request #177 from tbrooks8/develop

Add compliance test for join and join-along.
improve persistent vector coercion
improve persistent vector coercion
make immutable use the covert-to-nested-vectors protocol function by
default
improve default behaviour for new-array
Add basic named dimension protocol
document PDimensionImplementation protocol as experimental
row-maps added
test for row-maps added
Merge pull request #178 from Gerrrr/row_maps

Row maps
select-rows implemented
tests for select-rows