#19 Wrong calculation of path set

[Benedikt Schulz]

I'm using "Inject/J 0.4.3alpha (not released)".

Consider the following case:
- classes A, B, C, D
- construction edges A->B, A->C, B->D, C->D
- path from A to D, no bypassing, no via

Inject/J only discovers the path A->B->D but not
A->C->D.