Merge pull request #145 from csherratt/master

export PartialOrd
Fix ambiguous trait call; Remove deprecated Float calls.
Remove deprecated Float use from tests.
Merge pull request #146 from jameson-ernst/master

Fixes for trait ambiguity and num reform
Add deriving Copy to all structs that would previously be inferred to be Copy
Remove use of deprecated Equiv trait
Remove unsed attributes
Merge pull request #147 from jameson-ernst/master

Add deriving Copy; Fix warnings
Update for rustc
Merge pull request #148 from tomaka/update-rustc

Update for rustc
Update to match the latest std::ops::* traits