Merge pull request #49 from Coeuvre/master

Fixed 'README.md'
Fixed sequence algorithm

Closes https://github.com/PistonDevelopers/rust-event/issues/50
Merge pull request #51 from bvssvni/master

Fixed sequence algorithm
Added support for `Repeat`

Closes https://github.com/PistonDevelopers/rust-event/issues/52
Merge pull request #53 from bvssvni/master

Added support for `Repeat`
Replaced `WhenAny` and `Repeat` with `While`

Closes https://github.com/PistonDevelopers/rust-event/issues/54
Merge pull request #56 from bvssvni/master

Replaced `WhenAny` and `Repeat` with `While`
Added `WhenAll` to expression example

Closes https://github.com/PistonDevelopers/rust-event/issues/57
Merge pull request #58 from bvssvni/master

Added `WhenAll` to expression example
Splited expression.rs into small files
Merge pull request #61 from Coeuvre/expression

Splited expression.rs into small files
Upgraded to latest Rust-Empty
Merge pull request #65 from bvssvni/master

Upgraded to latest Rust-Empty
Upgraded to latest Rust-Empty
Upgraded to latest Rust
Added example with bit modelling of adventure game
Merge pull request #68 from bvssvni/master

Added bit model example for adventure game
Upgraded to latest Rust-Empty + Removed `EventGame`

Closes https://github.com/PistonDevelopers/rust-event/issues/70
Merge pull request #71 from bvssvni/master

Upgraded to latest Rust-Empty + Removed `EventGame`
Upgrade to latest Rust