Started experimenting with nose
Added tests for individual lines and fields in eurostat module
Switched from NaN to nan to conform with pandas treatment and nose tests
Minor update to author information
Moved decode() calls for bytes objects to try/except blocks
New dummy data for eurostat TSV tests
Initial work on eurostat uncompressed file test - still need to implement NaN replacement in flag column
New example CSV file for ONS data parsing
Minor update to ONS documentation