pytasks 1.0

#pytasks
用于执行`例行任务`

###Example-1

```
#tasks.py是用于test的py文件
% python pytasks.py
```

###Example-2
*
```
% vim tasks.py
```
*
```
#tasks.py ----do task at 2014-12-12 12:12:00

from datetime import datetime as _date
def task():
##do-something
print 'done-work'
task.schedule = lambda:_date(2014,12,12,12,12)
```
*
```
%python pytasks.py
```
*
done