(idlwave-shell-mode): Clean up pending commands, for

(idlwave-shell-mode): Clean up pending commands, for
restart. (idlwave-shell-current-module): Fix handling of module name by
type.  (idlwave-shell-break-in): Update type handling.
(idlwave-shell-bp-get): Encode type in BP structure.
(idlwave-shell-set-bp): Fix setting condition on disabled BPs.
(idlwave-shell-module-source-query): Query routine info based on type.
Fix path parsing for non-compiled files.
(idlwave-shell-module-source-filter): Don't signal error in filter if no
source found.  (idlwave-shell-set-bp-in-module): Use fallback source to
prevent filter race.