# 0.2.1.0

• add naive stderr interpreters for DataLog and Log.

# 0.2.0.0

• DataLog got a second constructor, Local. It takes a higher-order Sem and a transformation function, the latter of which is applied to all messages logged within the former. This allows context manipulation for blocks of code.
• interceptDataLogConc adds support for concurrent processing of log messages to any interpretation of DataLog.