Calcium 1.3.1

By @NriotHrreion

Add

• Adaptation for mobile clients
• Black background in QQ browser in mobile clients
• Functions playing (using Tone.js)
• Dialog adaptation for mobile clients
• rand function

Change

• The banner

Fix

• Symbol omicron ($\omicron$) inputting error
• Cannot input not function in programming mode
• Cannot calculate functions
• Cannot input some symbols in mobile clients
• Moving functions will trigger mobile browser events
• Stack overflow when calculating some complex formula
• Bottom of the page will be covered by the toolbar of mobile browsers
• Cannot input hex numbers A~F with keyboard
• No function auto completion in mobile clients
• Cannot input % with keyboard