1.20b released

This is a bug fix release for 1.20.

• fixed: creatures with scripted abilities were getting the wrong ones due to an engine bug
• fixed: Vivid land loses counter even when tapping for the right mana
• fixed: description of Searing Touch says it deals 3 damage when it should be only 1 damage
• fixed: opening the Keywords/Readme screen would cause keyboard shortcuts to stop working

Documentation on card script can be found on here.