[BOUNTY $25] Addresses exceptions thrown when working with multidimensional arrays.

[freemo]

This pull request is an attempt to address issue #51 51

[codecov-io]

Codecov Report

Merging #69 into master will increase coverage by 0.05%. The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #69      +/-   ##
============================================
+ Coverage     46.93%   46.98%   +0.05%     
- Complexity      849      850       +1     
============================================
  Files            57       57              
  Lines          9386     9386              
  Branches       1527     1527              
============================================
+ Hits           4405     4410       +5     
+ Misses         4538     4532       -6     
- Partials        443      444       +1