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Version History:

 1.0 1999-12-03 posted in comp.lang.java.programmer.

 1.1 1999-12-04 more symmetrical encoding algorithm. more accurate StringBuffer allocation size.

 1.2 2000-09-09 now handles decode as well.

 1.3 2000-09-12 fix problems with estimating output length in encode

 1.4 2002-02-15 correct bugs with uneven line lengths, allow you to configure line
                separator. now need Base64 object and instance methods. new mailing address.

 1.5 2006-01-01

 1.6 2007-01-01

 1.7 2007-03-15 add Example

 1.8 2007-03-15 tidy.

 1.9 2007-05-20 add icon and pad

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