OR Negation Error in PQ and CQP

```
[!(base="laufen" | base="gehen") & (tt/pos="VVFIN=")]
```
cannot be parsed in PQ and CQP. But the following queries work (thanks @hebasta ):

```
[(!(base="laufen" | base="gehen")) & tt/pos="VVFIN"] 
```
```
[!(base="laufen" ) & tt/pos="VVFIN"]
```