Add range expansion
Remove trailing whitespace
Fix build
Rename 100doors_unoptimized.rs to 100_doors_unoptimized.rs
removed use of deprecated bytes! macro
Merge pull request #153 from pfalabella/bytes-deprecated

removed use of deprecated bytes! macro
Added synchronous concurrency code
Fixed some comments
Merge pull request #155 from yuanchenyang/synchronous_concurrency

Added synchronous concurrency code
implementation for 24 game
refactorings on 24 game
Merge pull request #156 from pfalabella/24game-impl

implementation for 24 game
refectoring the Lexer iterator
Merge pull request #157 from pfalabella/24game-impl

refactoring the Lexer iterator
added arithmetic/rational
added arithmetic/rational to readme
fixed some tasks (ref #159)
Merge pull request #158 from pfalabella/rational-impl

Arithmetic/rational task implementation
Merge pull request #160 from pfalabella/integer-inference

fixed some tasks (ref #159)
fixed some more tasks (ref #159)