Editor options and assorted bugfixes

Merge pull request #15 from jywarren/history-prefix

History prefix addition

Small fix for onComplete

Merge pull request #12 from jywarren/changes-tweak

Changes tweak

Fix for crossed form IDs

Merge pull request #11 from jywarren/submit-form-fix

fix for crossed forms submission

Better newline handling and tests

Merge pull request #10 from jywarren/newline-issue

double newline fix

Configuration and testing for replacement requests

using options.submitSectionForm

Expanded API for extra buttons and more tests

Merge pull request #3 from jywarren/additional-buttons

Additional buttons

Bugfixes and replacement ambiguity checks

Merge pull request #4 from jywarren/no-ambiguous-replaces

v0.0.5, no ambiguous replaces, message fix

v0.0.3

version bump