MAGMA-211 - throw exception when identifier is a Value.nullValue()
Merge pull request #21 from kazoompa/bug-MAGMA-211

MAGMA-211 - throw exception when identifier is a Value.nullValue()
Remove backslash escape and use delete character as CSV escape.
Configure log4j for testing
Refactor index line builder
Support different encoding
Fix BufferedReaderEolSupport cursor position
Add jcl-over-slf4j while testing