BUG FIX: rowMads(<double>) would give incorrect results when there are no ties.
ROBUSTNESS: Added even more package test scenarios
More package tests for integer and numerics
BUG FIX: (col|row)Cumsums(x) where 'x' is integer would return garbage for columns (rows) containing missing values.
Reverted
CLEANUP: Removed non used include
Bumped version
Merge branch 'hotfix/0.12.1'