mps-2009.4.21: changelog.markdown

2009.4.21
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### Fix

* starts_with returns true for the same string

2009.4.20
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### Feature

* require interpolatedstring-qq
* Add here as alias of istr ( Ruby like string using QQ ).

2008.11.15
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### Fix

* Replace `from_utf8` `to_utf8` to `b2u` `u2b`
* Comment on dynamic programming usage

2008.11.6
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### Feature

* UTF8 wrapper
* Almost -Wall clean

2008.10.25
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* More string helpers
* introducing ^

2008.10.15
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* Fix (use sub, as regexpr works per line)

2008.10.14
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* Fix strip bug

2008.9.20
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* Relax GHC package dependencies

2008.9.19
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* Change version system
* Add unescape_unicode_xml helper

### Fix:

* relax directory version

0.0.0.1.1
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relax pandoc version

0.0.0.1
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compatible with newest Pandoc
added more helpers