The format for the @attribute statement is:

    @attribute <attribute-name> <datatype>

where the <attribute-name> must start with an alphabetic character. If spaces are to be included in the name then the entire name must be quoted.
Test relation-name having space
up-to-date
Add tests for ARFF format
typo correction
revise Exceptions for proper tests
Test and fix ARFF format on attribute name starting with non-alphabetic character.
Revise comment about attribute name accroding to the relative changes.
Merge branch 'midnightradio-master'
changes and version updated