[FLINK-1168] Added support for multi-char delimiters.
This commit includes parts of Cbro's pull request.
[FLINK-1168] Added support for multi-char delimiters.
This commit includes parts of Cbro's pull request.
[FLINK-1168] Added support for multi-char delimiters.
This commit includes parts of Cbro's pull request.
[FLINK-1318] Simplified quoted string parsing, made it optional, and use a custom quote character. MISSING: API integration