Convert to number (and sum) should allow numbers with commas or European format

[davidearl]

For example, US, UK: 12,300.01
Europe: 12,300,01
(Japan? 1,2300.01)

or lists: 12,300.01 4,201 27
or 12,300.01, 4,201, 27
(there would have to be a space to avoid ambiguity)