Increase height/width of central thumb in RangeSlider to 5 px for more suitable control usage.
beta version of fix (added coerce callback for MinRange property)
Small fix and code clean up.
Merge pull request #1342 from QuantumDeveloper/master

RangeSlider V2.4
Add property for edge mode of the titlebar icon.
Merge pull request #1344 from karno/iconisugly

Fixing problem of window icon quality.