v0.2.0 Feature release

Features

• Switched to mustache.js for extended function support
• Added new HTML output format for rendering an inline SVG HTML implementation (#1)
• Added new SVG output format for rendering an inline SVG sprite (#1)

Bugfixes

• Fixed full disabling of output rendering (#2)
• Don't crash with empty input directory (#3)
• Fixed bug with the SVG sprite not used by the Sass & LESS output types (see grunt-iconizr issue #6)
• Documentation corrections