Implemented word_wrap
Corrected order of binaries
Changed word_wrap implementation to be an iterator
Tidied up word_wrap

* Used a const for space_width
* Replaced loop with for
* Replaced match true/false with if
Merge pull request #282 from rupertl/word_wrap

Implemented word_wrap
Add Benford's Law with Fibonacci sequence
Merge pull request #283 from gavinb/gavinb-benford

Add Benford's Law with Fibonacci sequence
Add Closures/Value capture
Merge pull request #284 from Hoverbear/closures

Add Closures/Value capture
Implemented system_time
Fixed typo in comments for system_time
Merge pull request #285 from rupertl/system_time

Implemented system_time
Get latest version of num

This version of num replaces fail! with panic! to match rust-nightly.
Replaced fail! with panic!
Replaced syntax::parse::token::EOF with Eof
Fixed object safety error in LinearCongruentialGenerator trait
Fixed callers of TypedArena::alloc()
Merge pull request #286 from rupertl/fix_build

Fix build errors
Implemented pangram
Used map() in pangram instead of allocating a new string