WIP - first cut at handling maxAttempts.

For [#42915745] - this has the basic outline but doesn't handle incorrect steps properly.
Correcting misspelling.

It was bothering me. Sorry.
Notes for next steps
Was this unclosed tag intentional?
Making step addition max-tries-safe

[#42915745] This should do the trick.
Fixing misspelling
maxTries for line construction sequences

[#42915745] This time in Coffeescript...
Removing reflexive-but-vestigal semicolons
Compiled javascript from maxTries changes for LineConstructionSequence
Missing initialization of counter
Fixes for line construction sequence
Compiled fixes
New test input/output for line construction sequences

[#42915745]