Fixes a bug in Journal that made initial indexed set overwrite the previously set regular value
Make LSD.Journal#change unset a last value set in journal ( before mutation). Makes journal clean up nicely
A fix to parser to handle semicolons in the same way as commas. 
Introduces LSD.Struct.Property, a better property handler with observable configuration
Introduces LSD.Dictionary, same as LSD.Object, but only with private methods
Reimplements ._chunked as LSD.Property#chunked
Renames ._skip to ._nonenumerable, makes it more comprehensive
Adds LSD.Object.forEach/getKeys
Save references to struct instances. A little dangerous, though necessary