Merge branch 'release/v0.20'
Merge branch 'release/v0.30'
 - Now two different log levels for general and for console logging. You can now use the listeners to log without logging to the console. By default, when setting the log level, the console log level is also set. You can then go and override the console log level.
Merge branch 'release/v0.40'
podspec tweak
Merge branch 'hotfix/v0.40-podspec' into develop