Merge tag '0.2' into develop

Version 0.2
Merge tag '0.2.1' into develop

Version 0.2.1
fix: get_all_resources
chore: ez_setup.py
feat: ordered graph traversal + timerange estimation
feat: --verbose option added to tvd.create
feat: TStart() and TEnd() jsonified as "$" and "^"
doc: CHANGELOG
Merge branch 'release/0.3'
fix: tvd.create argument parsing
doc: CHANGELOG
Merge branch 'hotfix/0.3.1'