Bug

- Fix a bug where 'print.empty.columns=no' resulted in never printing the
  project column because ColProject::measure did not take into account
  the length of the last word of the project name.
- Unit tests.

src/text.cpp

@@ -264,6 +264,9 @@ int longestWord (const std::string& input)
       length += mk_wcwidth (character);
   }
 
+  if (length > longest)
+    longest = length;
+
   return longest;
 }