Changes since v0.5:
 * fix: Top position scrollbar would not reset maximum value.
 * new: Added possibility to add extra override commands to each generated line.

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Changes since v0.4 (not released):
 * Improved code generation.
 * Interface redesigned.

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Changes since v0.3 (not released):
 * Added PNG alpha transparency support.
 * Changed style name from "Default" to "Image".

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Changes since v0.2 (not released):
 * Added alpha tranparency support (based on bitmap mask file).
 * Changed code generation to one pixel per line.

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Changes since v0.1 (initial release):
 * Added binary transparency support.
 * Improved code.