Avoid warning; if_let now part of language.
Merge pull request #475 from serpis/fix_warning

Avoid warning; if_let now part of language.
Started adding Copy deriving
Merge pull request #476 from bvssvni/rustup

Started adding Copy deriving
Fix build
Merge pull request #477 from bjz/rustup

Fix build
Fixed macros, bitfields, and some Copy implementations to make it compile on latest.
Merge pull request #479 from sectopod/buildfix

Fixed macros and bitfields to compile on latest
Added semicolons to make it compilable with latest nightly build
Merge pull request #480 from asheb/master

Added semicolons to make it compilable with latest nightly build