datasets)

copying changes in build.xml from isochrone-web (how to use config files
in testing)

returned)

isochrone runtimes)

=> seems to be very slow

double checked for empty lists
added some better error messages in distance algorithms

changed list type of adjList variable to collection

produce less db queries but makes computing more complex)

moving calculated content out of loop (since object does not changes for
the method calls)

(so removing it from this "core" project)

fixed some problems in web application according to database connections

(no more open connections should remain after testing now)

some class refactoring

reworked method visibility

...new values create smoother graphs

after/beforeCalculation methods)