Version bump to v0.2.
Version bump to v0.2.

steveathon/stash-commit-graph-plugin,cha55son/stash-commit-graph-plugin,cha55son/stash-commit-graph-plugin,yama07/stash-commit-graph-plugin,yama07/stash-commit-graph-plugin,steveathon/stash-commit-graph-plugin