tests
working directories and command line args changed from absolute to relative
Graph vertex class created
DepthFirstSearch class created
Checker for problem C created
ConnectionToVertex class created
way of keeping adjacent vertexes changed
getAdjacentVertexes  created
Graph created
Graph search algorithms created
Search algorithms changed
Solution for problem E
Tests changed
Main method for C checker added
Checker for problem D created
Graph search algorithms created
Vertex numeration changed from 1-N to 0-(N-1)
Graph get number of vertexes method created
workspace