Revision history for Perl module Number::RangeTracker 0.6.0 2014-08-16 - Rename methods to be more concise - Distinguish range size from range length with new size() method - Enable more range formats: [ start, end ] and 'start..end' - If there are ranges to remove, collapse before adding new ranges - Allow setting of universe range for complement( start, end ); defaults: '-inf', '+inf' - Substantially improve documentation (including speed comparison) - Bug fixes - Happy Birthday CPAN! 0.5.0 2014-08-04 - Change namespace to Number::RangeTracker - Add inverse() method - Remove non-object-oriented interface and rename methods 0.4.0 2013-07-04 - Add/remove multiple ranges at once 0.3.0 2013-07-02 - Object-oriented implementation of all functions 0.2.2 2013-07-02 - Speed increase - Bug fix for range removal 0.2.1 2013-06-28 - Remove outdated scripts 0.2.0 2013-06-28 - Add functions to remove ranges and output ranges (as string or hash) 0.1.1 2013-06-25 - Remove unused code (v. modest speed increase) 0.1.0 2013-06-25 - Add ranges - Collapse/optimize ranges - Get range total length - Check whether a value is within a range