Merge pull request #24 from alexcrichton/update

Update to rust master
libtime has officially moved
Fix some deprecation warnings
Switch from find to get
Fixed build issues with namespaced enums
Merge pull request #26 from jamesrhurst/namespaced-enums

Fixed build issues with namespaced enums
Clean up Key enum
Minor cleanup
Added key+value equivalents for the map getters.
code review
more code review
Merge pull request #27 from cgaebel/master

Added key+value equivalents for the map getters.
s/kv/entry/
Merge pull request #28 from cgaebel/master

s/kv/entry/
Merge pull request #25 from cmr/master

libtime has officially moved
Update to use BorrowFrom
Add license and descriptions
Use repository packages
ExactSize is now ExactSizeIterator
Make publishable on crates.io