Merge pull request #236 from Yonaba/master

Added Rabin_Karp in Lua
fix for odd length of array
Merge pull request #237 from unclepotap/master

fix for odd length of array
Merge pull request #238 from Yonaba/master

Added Cocktail sort in Lua
recursive implementation
Merge pull request #239 from ghostsnstuff/recursive-factorial

factorial recursive implementation (java)
added test file
Merge pull request #240 from ghostsnstuff/update-recursive-factorial

added test file
index oriented binary search alternative
index oriented binary search alt
euclidean algos - java
Merge pull request #243 from ghostsnstuff/euclidean-ghost

Euclidean algos - java implementations
Merge pull request #241 from Yonaba/master

Added Jarvi's convex hull in Lua
Merge pull request #244 from Yonaba/master

tags file should be at the root
Added fibonacci series generator in APL.
Merge pull request #245 from jcla1/master

Added fibonacci series generator in APL
Added factorial in APL.
Merge pull request #246 from jcla1/master

Added factorial in APL
Merge pull request #247 from Yonaba/master

Derivative algorithms
Merge pull request #248 from Yonaba/master

Added Newton Raphson root-finding algorithm in Lua