update icon for doxygen
in debug mode make json indented
refactor Unit to be a struct
make comment more descriptive
fix internal timer for http listener
ensure set items are not null
add overload for creating property from json object
refactor json builder v2 to use strong type data structures for serialization
add serialization tests
added a readonly metrics context
add ability to json metrics to act as metric value source
basic remote metrics support
change nancy sample port
add simple sample for remote metrics
handle gzip encoding