petrovich/petrovich-ruby — pull request #32 by ujifgc (2014-02-26 18:42:51+00:00)
Title: increase the speed of finding rules for 35%

`:~/petrovich-ruby$ time rake`

Before:
```
real 0m32.682s
user 0m32.374s
sys 0m0.280s
```
After:

```
real 0m19.807s
user 0m19.661s
sys 0m0.124s
```