group commands in help message, added shortcuts info
…ng, show breakpoints in list()
…), simplify regexp
Stepping commands will overwrite output of previous step command
Use hasOwnProperty to check filepath cache; previous code could fail if a filepath duplicated a chained property name. Fixes #1637.
Patterned on same feature in ReadStream; a small bit of new code added plus two refactorings of previous code; added two test files. Fixes #1645.
Fix minor typos, one small refactor, and change emit() in a constructor to a throw
…ebug repl (when not on breakpoint)