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1.3.1 (unstable) - 2012-03-22

* Refactoring to support separation into modules.
* Ported test suite to Node.js.

1.3.0 (unstable) - 2012-03-07

* Unstable development branch containing new plugin API.
* Major refactoring to support number type extensions.
* Cleaned up and formalized the double-dispatch system.
* Minor logic and performance fixes, but test suite performance
  lags that of 1.2.0 by about 20%.

1.2.0 - 2012-03-04

* Stable release with unmodified Number.prototype.
* Added test case for recent fix.

1.1.6 (unstable) - 2012-03-04

* Fixed bug in fn["eqv?"] affecting non-numeric arguments.

1.1.5 (unstable) - 2012-03-01

* Fixed parser bug affecting numbers like "#e.021" on platforms
  where parseInt("021") returns 17 instead of 21 as specified by
  ECMA.
* Various minor improvements and reorganizations.

1.1.4 (unstable) - 2011-03-29

* ECMAScript-like conversions: sn(new Date()) means sn(+new Date()).

1.1.2 (unstable) - 2011-03-19

* Do not modify the standard Number.prototype object.

1.0.9 - 2011-03-19

* Fixes backported from 1.1 branch:
* Make sn("garbage") raise an appropriate exception.
* Convert fn.atan second argument.
* Avoid no-such-method in x.valueOf() for complex x.

1.1.1 (unstable) - 2011-03-19

* Made code work without affecting Number.prototype (no API yet).

1.1.0 (unstable) - 2011-03-17

* Unstable branch.
* Wrap all(?) inexact real results with toFlonum.
* Bug fix: Convert fn.atan second argument.

1.0.8 - 2011-03-16

* Make sn("#e1@2") equivalent to fn.exact("1@2").

1.0.7 - 2011-03-04

* parser: optimize simple integer parsing.

1.0.6 - 2011-02-13

* toFixed: bug fix: include leading "-" in negatives rounded to zero.

1.0.5 - 2011-02-12

* Fixed a bug in toFixed affecting rounding.

1.0.4 - 2011-02-11

* Bugs fixed in SchemeNumber implementation of ECMAScript Number
  methods: toFixed, toPrecision, and toExponential.  Thanks to
  theonesmiley.

1.0.3 - 2011-02-10

* Faster big integer arithmetic, courtesy of Vitaly Magerya.
  Approximately 20% test suite speedup.

1.0.2 - 2011-02-10

* Moved argument conversion from internal methods to public
  functions.  Approximately 10% test suite speedup.

1.0.1 - 2011-02-10

* Support ECMA standard formatting methods: toFixed,
  toExponential, toPrecision.