Option for Space Cleansing in Strings

[mattywausb]

Beside the integrated Trimming of Strings the following Cleansing operations should be available on a colum basis.
Replace \t with space.
Reduce/expand all spaces to a defined number of spaces (default 1, range 0-n))

[jlolling]

ok, this is not a big deal. I will add this in the next version.