* added basic detection for ambiguous steps, but causes an error and not yet recorded in the reports as 'Ambiguous', and no test cases figured out yet
* added initial support for detection of ambiguous steps - further work take a look at how cuke jvm report ambiguous steps and sets the step status to 'ambiguous' rather than my current solution which just blows the test up as a regular step error
* added suite_context_test and also introduced missing 'ambiguous' status to make cucumber jvm'
* update CHANGELOG for ambiguous step defs
* missed file from commit
* added internal/formatters/fmt_multi_test.go
* add tests for other peoples code
* added "ambigous" to the help text
* tests
* added some more tests for attachments
* Update internal/flags/flags.go
Co-authored-by: Viacheslav Poturaev <nanopeni@gmail.com>
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Co-authored-by: Viacheslav Poturaev <nanopeni@gmail.com>
