Bug Fix

- Fixed bug that generated an export file that was incompatible with
  task 1.7.1 import.  Now there is a smooth migration path back to
  1.7.1 in case 1.8.0 proves unacceptable.

src/Task.cpp

@@ -350,7 +350,7 @@ std::string Task::composeCSV () const
 {
   std::stringstream out;
 
-  out <<        id               <<  ",";
+  // Deliberately no 'id'.
   out << "'" << get ("uuid")     << "',"; // No i18n
   out << "'" << get ("status")   << "',"; // No i18n
 

src/command.cpp

@@ -811,8 +811,8 @@ std::string handleExport ()
 {
   std::stringstream out;
 
-  out << "'id',"
+  // Deliberately no 'id'.
-      << "'uuid',"
+  out << "'uuid',"
       << "'status',"
       << "'tags',"
       << "'entry',"