modified:   api579.php
	deleted:    functions/B31G.py
	modified:   functions/calculateBrittle.php
	modified:   functions/materialProperties.php
	modified:   functions/sharedCode.php
	modified:   functions/sharedIterative.php
	modified:   includes/displayBrittle.js
	modified:   includes/inputsSpan.php
	modified:   includes/updateDisplay.js
Updates to Brittle