Added Selection Sort
Fix indentation issue
Fix indentation issue
More style fixes
Allow non-string keys in hash tables
Added tests
Fixed space errors
Fixed space errors
Improving efficiency of bubblesort.
Merge pull request #54 from gauravmittal1995/master

Improving efficiency of bubblesort.
Merge pull request #46 from nitinsaroha/selection_sort

Added Selection Sort
Radix Sort
Depth First Search
Merge branch 'tayllan-master'
User boolean instead of integer in bubble sort check flag
v0.4.0 Selection Sort, Radix Sort, DFS, Euler path, Knuth-Morris-Pratt
Huffman encoding/decoding (close #7)
Explicitly convert vertices to string
Merge pull request #56 from eush77/graph-vertex-type-fix

Explicitly convert graph vertices to string
Merge pull request #55 from eush77/huffman

Huffman encoding/decoding