Merge branch 'pull'
Fixed fallout from numeric trait simplification.
Updated to latest nightly.
Updated to latest nightly (finally!).
Version 0.5.3.
Fixed fallout from numeric trait simplification.
Updated to latest nightly.
Updated to latest nightly (finally!).
Version 0.5.3.
Update to rust nightly.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Cargo.toml