list_to_existing_atom/1 breaks effi

[joergen7]

> deftask a( b : c )in bash *{ b=$c }*
> a( c: "h" );
Notifying logmgr ...
logmgr received an event.

=ERROR REPORT==== 21-Sep-2016::13:13:44 === Error in process <0.75.0> with exit value: {badarg,[{erlang,list_to_existing_atom,["effi_bash"],[]}, {effi,create_port,4, [{file,"/home/jorgen/git/cuneiform/_build/default/lib/effi/src/effi.erl"}, {line,406}]}, {effi,run,4, [{file,"/home/jorgen/git/cuneiform/_build/default/lib/effi/src/effi.erl"}, {line,383}]}, {effi,check_run,5, [{file,"/home/jorgen/git/cuneiform/_build/default/lib/effi/src/effi.erl"}, {line,135}]}, {local,stage,6, [{file,"/home/jorgen/git/cuneiform/_build/default/lib/cuneiform/src/local.erl"}, {line,151}]}, {gen_queue,stage_reply,2, [{file,"/home/jorgen/git/cuneiform/_build/default/lib/cuneiform/src/gen_queue.erl"}, {line,100}]}]} {"init terminating in do_boot",{badarg,[{erlang,list_to_existing_atom,["effi_bash"],[]},{effi,create_port,4,[{file,"/home/jorgen/git/cuneiform/_build/default/lib/effi/src/effi.erl"},{line,406}]},{effi,run,4,[{file,"/home/jorgen/git/cuneiform/_build/default/lib/effi/src/effi.erl"},{line,383}]},{effi,check_run,5,[{file,"/home/jorgen/git/cuneiform/_build/default/lib/effi/src/effi.erl"},{line,135}]},{local,stage,6,[{file,"/home/jorgen/git/cuneiform/_build/default/lib/cuneiform/src/local.erl"},{line,151}]},{gen_queue,stage_reply,2,[{file,"/home/jorgen/git/cuneiform/_build/default/lib/cuneiform/src/gen_queue.erl"},{line,100}]}]}}

Crash dump is being written to: erl_crash.dump...done init terminating in do_boot ()

[joergen7]

list_to_existing_atom/1 replaced with list_to_atom/1.

[bearbob]

The problem still exists, tried installing the current dev version ( commit fac77c7 ). After executing any task it terminates with the error above.