Import: Allow importing JSON arrays

- "export" defaults to JSON array output now.  Make "import" read it
  instead of throwing an error.

ChangeLog

@@ -65,6 +65,7 @@
 - The '_ids', '_projects', '_tags', '_uuids' helper commands are deprecated,
   and replaced by the new '_unique' helper command, which generates lists of
   unique values for the specified attribute.
+- "import" can now import JSON arrays, the new default "export" output.
 
 ------ current release ---------------------------
 

src/commands/CmdImport.cpp

@@ -101,7 +101,9 @@ int CmdImport::import (std::vector <std::string>& lines)
   {
     std::string object = trimLeft (
                           trimRight (
-                            trim (line),
+                            trimRight (
+                              trim (line),
+                              ","),
                             "]"),
                           "[");