add ability for custom delimiters

[michael-ameri]

No description provided.

[stleary]

What problem does this code solve?
Users should be able to specify the delimiter when converting to/from CDL

Does the code still compile with Java6?
Yes

Risks
Low

Changes to the API?
New API methods were added that include a delimiter param

Will this require a new release?
No

Should the documentation be updated?
No

Does it break the unit tests?
No, new unit tests were added

Was any code refactored in this commit?
Some of the unit tests were touched, but no functional changes were made to existing tests.
Tabs were used instead of spaces in CDL.java, this will be fixed in a follow-on commit.

Review status
APPROVED

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