Refactor getCoverage() and unpin() onto IsolateInfo
Documentation updates
Version 0.3.0
Version 0.3.1
Create output directory if it does not exist.
Create output directory if it does not exist
Migrate to SDK 1.3.0-dev.5.2 observatory API
* --pin-isolates is replaced by --pause_isolates_on_exit
* the observatory /unpin query is now /resume
* collect_coverage --unpin-isolates is replaced with --resume-isolates
Merge pull request #13 from cbracken/observatory-updates

Migrate to SDK 1.3.0-dev.5.2 observatory API
Version 0.4.0
Fix typo in README.md
Refactored connection retry behaviour.
Merge pull request #14 from cbracken/retry-cleanup

Refactored connection retry behaviour.
Updates for SDK 1.3.0-dev.6.1 observatory API
Merge pull request #15 from cbracken/sdk-1.3.0-dev.6.1

Updates for SDK 1.3.0-dev.6.1 observatory API
Add --wait-paused flag: wait until all isolates are paused before collecting coverage.
Merge pull request #16 from cbracken/wait-paused

Add --wait-paused flag: wait until all isolates are paused before collec...
Document --wait-paused flag
Version 0.4.1