new class with utility methods for servlets
add convenience method to create ScriptFile with contents of string
have a script validator that excludes SCRIPT.ceylon
use new utility methods and classes
Work on #43 - don't send docs of compiled code
Update to CodeMirror 2.38
polite variable names
Work on #43 - send doc of token at specified location only
Work on #43 - show doc for current token in help popup
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