Loader: renamed internal variable
Instance: added say_changes method
Instance: don't print change if old and new value are undef (scrap the note)
use say_change instead of join on list_changes result
Loader: rationalize list and hash commands
Loader: complain when trying to remove a list element with a non numeric index
Dumper: use new syntax when dumping a list of value (i.e. list:=a,b,c)
Loader: update pod doc
Loader: can delete hash or list id with foo:-1 or bar:-id
Loader: added remove by value on list and hash ( :-= and :-~ )
load.t: fixed split_cmd tests
Loader: user dispatch table for action handling
Loader::_load_value: skip substitution on undef value
Loader: use dispatch table for hash/list actions
Loader: handle list/hash value substitution ( :=~ action )
ListId: added sort method
Loader: added sort of list of leaf ( :@ or :.sort )
Loader: added list push ( :< or :.push )
ListId: added unshift method
Loader: added list unshift ( :> or :.unshift )