Upgrade to Rust master.
compiling !
cargoing
wip, tests passing
Merge branch 'master' of https://github.com/LeoTestard/rustlex

Conflicts:
	src/codegen.rs
	src/dfa.rs
	src/nfa.rs
	src/parser.rs
make compiletest tests work
use log info! instead of println!
keep up with rust changes
keep track on rust
Merge pull request #9 from kali/master

Update to Rust master.