Remove use of 'autoescape off'
Fix XSS in ?showTarget parameter
Remove use of '|safe' in templates in favor of mark_safe()
Merge pull request #896 from brutasse/fix/autoescape

Remove use of autoescape and |safe in templates
Add a pathExpression to constantLine
Merge pull request #898 from markolson/give-constantline-a-pathExpression

Add a pathExpression to constantLine
clarifiying areaBetweens arg expectation, & how to use the  function with it
removing a trailing space
Merge pull request #899 from gwaldo/clarify_areaBetween

clarifiying areaBetweens arg expectation, & how to use the group function with it