callbacks 0.3.0

Simple callbacks using decorators

Callbacks lets you use decorator syntax to set callbacks on methods or functions.

[](https://travis-ci.org/14rcole/callbacks)
[](https://coveralls.io/github/14rcole/callbacks?branch=master)

```python
from callbacks import supports_callbacks

def callback():
print "Polly!"

@supports_callbacks
def target():
print "hello",

target.add_callback(callback)

target() # prints "hello Polly!"
```