Log Message:
Update to 4.0.0:

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Dasher 4.0.0
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 * Promoted to stable release

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Dasher 3.99.5
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 * New icon
 * Bugfixes in 'enter text into other windows' mode

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Dasher 3.99.4
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 * Fixed font behaviour in Windows
 * Fixed broken start/stop in dynamic button mode
 * Other minor bugfixes

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Dasher 3.99.3
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 * Bugfix to tarball

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Dasher 3.99.2
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 * Improved button mode support
 * Cairo support ported from 3.2 branch
 * Win32 should build from tarball again
 * Bugfixes

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Dasher 3.99.1
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New 4.0.0 preview, highlights include:

* (Partial) button mode support
* Infinite back off
* Improved symbol grouping in alphabets
* New status bar, with 'favourite' alphabet selection

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Dasher 3.99.0
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First preview of 4.0.0 - many changes and re-writes