Drama work
Redo drama with classes
<sp> tags; block
Text wrapping; speaker hang; <verse> and <prose>
Fix wrapping with different styles.
Dramaline-cont; left for dramaline.
Fix line collapse at end of file in text output
Text indent fixes
Fix html margin collapse problem with speaker=hang
Wrap stage directions embedded inside verse
Extract top level drama parsing, no functional change
speakerStyle=centre; speechCont=indent
Speaker followed by stage fixed.  Correct errors on conditionals.
Change rend= to type= in <drama> tag; new attribute parsing
speaker-style: inline
align-last rend option implemented for speaker style hang
Verse alignment with inline speaker
Fix text speaker parsing to ensure delimiter after speaker
tables: left, <class=>
unit tests for oneDramaBlock