added new  .getCellValue() .getHeaderValue()
added new 
.getCellValue()
.getHeaderValue()

added default asc and desc sort html arrows
and the ability to add custom
.classes.asc
.classes.desc

changed sort behavior to be more standard in that click once is asc sort, click it again, desc sort

surebert/surebert-framework,surebert/webapp-basic,surebert/webapp-basic,surebert/surebert-toolkit