Streamlined topology.ml
Changed exposed signature to expose correct constructors
Sync commit. Broken
Added VInt parsing for MACs and IPs
Removed switch name from Switch constructor
Fixed string conversion for nodes
Started adding an interface to get more node information
Added parsing function that returns table of node info
Added script to convert DOT graphs to digraphs

- Untested because my local Python installation is broken
Changed simple.dot to proper syntax
Bugfixes to graph-digraph converter
Graph2digraph copies graph name correctly
Merged in intf-clean branch