- Parsing traffic constraints from inifile
- as well as from a file.

Example:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<JPScore project="JPS-Project" version="0.8">
  <traffic_constraints>
    <doors> <!-- doors states are: close or open -->
      <door trans_id="1" caption="NaN" state="open" />
      <door trans_id="6" caption="NaN" state="open" outflow="1.0" max_agents="20"/>
    </doors>
  </traffic_constraints>
</JPScore>