remove redundant require
misc edits
geomtry demo
add esum benchmark (Clojure Conj example)
double array functional operations and test fixes
extra reshape test
pagerank demo updates for clojure conj, pretty printing improvements
update pprint and pagerank demo
more demo updates
demo updates
pagerank demo edits
demo edits at Clojure conj
Fix missing matrix argument in submatrix API call
allow for switchable formatter in pprint
add line prefixes to pprint functionality
extra pm formatter features
pprint refactoring
generalise rows to higher dimensions
docstring edits
generalise columns to higher dimensions