kind: start
os: Windows 8.1 (version: 6.3; arch: x86)
plm: 2.4.2 (20140909)
java: 1.7.0_67 (VM: Java HotSpot(TM) Client VM; version: 24.65-b04)
kind: switched
exo: welcome.lessons.welcome.environment.Environment
switchto: welcome.lessons.welcome.traversal.Snake
outcome: compile
lang: Scala
kind: switched
exo: welcome.lessons.welcome.traversal.Snake
switchto: welcome.lessons.welcome.traversal.column.TraversalByColumn
outcome: compile
lang: Scala