fix 100doors_unoptimized trailing whitespace and clean code
Merge pull request #111 from pfalabella/100doors_unopt_fix1

fix 100doors_unoptimized trailing whitespace and clean code
 Created 9 billion names of God the integer
Fixes and another test
added implementation of Hamming numbers (ported from scala)
Merge pull request #112 from webmobster/9_billion_impl

Created 9 billion names of God the integer
small refactoring + added Hamming numbers to README
corrected range (was printing the first 19 numbers instead of 20)
corrected range (was printing the first 19 numbers instead of 20). use range_inclusive
changed from range_inclusive to range to fight unused import warning
commented code
Merge pull request #113 from pfalabella/hamming_numbers_impl

added implementation of Hamming numbers (ported from scala)
Remove unnecessary type annotation. `rustc` can figure it out itself.
Merge pull request #114 from utkarshkukreti/remove-type-annotation

Remove unnecessary type annotation. `rustc` can figure it out itself.
100 doors, added test
99 bottles of beer, added test
removed redundant casts and as_slice()
refactorings
binary digits, added tests
Merge pull request #116 from pfalabella/99-bottles-test

99 bottles of beer, added test