property type defined twice.
Fix typo in function name.
Removed second definition of set_eclbase.
Added missing wrapper for deselct_box. Replaced calls to non-existing __init_plane_deselect with __init_plane_select.
Renamed duplicate function.
Fix import.
Replaced asPythonReference() with createCReference
Revert "property type defined twice."

Removed the wrong function.

This reverts commit 7990d64c97646300434871c1d28eface4690827b.
Remove definition of type returning string. Use type_name instead.
Should set self as parent.
Merged with upstream
Merge pull request #355 from joakim-hove/per-double-symbols

Per double symbols