Added optional accuracy parameter
Added root, fractional and babylonian methods
Added equation method using Newton-Raphson solver
Update README.
Added Fibonacci method
Renamed functions to Golden_Ratio_*
Added tests
Merge pull request #315 from Yonaba/master

Added Golden Ratio approximation algorithms
adding encryption problem
adding dangerous website problem
adding cryptography implementation
Merge pull request #316 from Dezahead/master

Adding new algorithms
Added 100 Doors Problem implementation in Python
Added 100 Doors implementation in Python2k.
merge
Convert indentation to spaces.
Switch return type of pass_doors_optimized() from list to generator for further optimization.