update implementations
size checks for vectors
extra checks
start of better bound checking
shape detection
broadcasting test
remove is-vector? and is-scalar? from protocols
Revert "remove is-vector? and is-scalar? from protocols"

This reverts commit e916b5471a33714722e86e32e9c9d119e6ac4f33.
tests for query function performance
update query benchmark test results
optimise dimensionality for persistent vectors (about 2x speedup)
instance testing for empty vectors
pow arity overloads
add as-vector protocol
typo
implement as-vector
add to-vector protocol
same-shape? and assign functionality
[maven-release-plugin] prepare release core.matrix-0.7.1