added data only selection functions to core.matrix, sel and set-sel are build ontop of them, select is guaranteed to return a view - default implementation creates a NDWrapper, added set-1d!, set-2d!, set-nd! support to NDWrapper, updated tests and documentation
Merge branch 'develop' of https://github.com/mikera/core.matrix into selectors

Conflicts:
	src/main/clojure/clojure/core/matrix.clj
Merge pull request #125 from mschuene/selectors

completed proposed selector implementation
updated the remove-dim as discussed in the mailing list
updated documentation
Merge pull request #131 from mschuene/selectors

updated selector implementation reduce-dim behaviour
add basic pprint test
enhanced pprint to fix bugs and allow n-dimensional arrays
more pprint tests
Merge branch 'develop' of https://github.com/mikera/core.matrix.git into develop
extra tests
[maven-release-plugin] prepare release core.matrix-0.22.0
[maven-release-plugin] prepare for next development iteration
Merge branch 'develop' into generic