Evaluation and Reduction Operators with Environment API breaking Change Needed for Proper Piping

```
Introduced in version 2.0.0, evalWith, evalRawWith, reduceWith, and 
reduceFullyWith should all have their expression and environment parameters 
switched for better piping.

Sorry.
```

Original issue reported on code.google.com by `stephen....@gmail.com` on 11 Jul 2011 at 10:57
