Added protection for out-of-bounds #rank calls
Merge pull request #228 from andrewcsmith/issue-227-rank-allows-dimensions

Added protection for out-of-bounds #rank calls
Merge branch 'master' of github.com:SciRuby/nmatrix
Fixed compiler warnings
Remove unnecessary whitespace from ext/nmatrix
Removed tabs from some files in ext/nmatrix
Removed tabs and fixed comments from ruby_nmatrix.c
Removed tabs from math/
Removed tabs from storage/
Removed tabs from data/