add PMatrixRank protocol
update project.clj for 0.4.1
[maven-release-plugin] prepare release core.matrix-0.4.1
[maven-release-plugin] prepare for next development iteration
reflection checks and fixes
warning fix
warning fix
Move implementation guide to Wiki
README edits
Add Seqable support for wrappers
sequence setting converts to vectors
sequence element-map converts to vectors
mini edits
Add dataset namespace
sequable reccomendations
test dimension-count errors
test extras
doc edit
sequence implementation produces vectors where possible
Improve PV coercion, enabling toString for NDWrapper