feeds_tamper 6.x-1.0-beta4

This is a quick release.
Beta3 was throwing notices on the mapping page.

Changes from beta2 to beta3

• The issues with the CSV parser are gone!
• Lots of UI love.
• Added a bunch of tests.
• Blank source and Temporary target work as expected.
• Sources with spaces in them no longer break enabling/disabling.
• More fine-grained permissions.

Fixed:
#1093958: can't get 'enable' checkbox to remain enabled
#992420: Can't get explode to work with CSV parser
#1215430: Inserting multiple values into a text cck field with unlimited checkboxes
#1028216: Hash of an item as GUID
#1180726: Explode on an empty String
#1060768: Filter out items that contain a keyword
#1210572: Keyword filter UTF-8 support fix w/patch
#1140140: additional characters like # in keyword Filter not working
#1048468: changing the tamper ordering
#1076898: re-cast an integer
#1052686: Extend Primary key or prepend ID with additional data
#1088578: Make source field lowercase for CSV parser.
#1230392: How to translate text value to published status?
#1145678: Too many calls to callback function in feeds_tamper_feeds_after_parse()

Plugins added:
convert_boolean
copy
default_value
hash
number_format
str_pad
strtotime