squashed commits
Merge pull request #193 from pfalabella/new-hamming

hamming alternative
fix deprecation warning on get()
Implement "Roots of a function" problem.
Add a note on why we cannot use `range_step` here.
Merge pull request #194 from pfalabella/lzw-deprecation

fix deprecation warning on get()
Merge pull request #195 from utkarshkukreti/implement-roots-of-a-function

Implement "Roots of a function" problem.
Implement Self-describing numbers
Add comments to Self-describing numbers implementation
Implement Sierpinski triangle
Add link to Sierpinski triangle
Merge pull request #196 from SuprDewd/self_describing_numbers

Self-describing numbers
Merge pull request #197 from SuprDewd/sierpinski_triangle

Sierpinski triangle
Implement Evaluate binomial coefficients
Use bigint when computing binomial coefficients
Implement Pythagorean triples
Fix calls to deprecated get function
Fix calls to deprecated tailn function
Fix use of sleep function after api change
Merge pull request #198 from SuprDewd/evaluate_binomial_coefficients

Evaluate binomial coefficients