Adding a radix tree implementation
Tweak some ini parser constants
Guard radix header import
Support configuration of histograms
Clean unused configuration variables
Test building the prefix tree
Build the prefix tree after validating configs
metrics now handles incrementing and setup of histograms
Add support for streaming ascii histogram data out
Support binary streaming of histograms
Update README with info on histograms
Better error handling when parsing config
Fixing return value of value_to_bool
Fixing test call to init_metrics
Add test for metrics with histogram
Adding tests for streaming of histogram values
Update binary sink example to show histogram values
Fix linux compatibility issue
Updating changelog