+1.4: Introduced with OpenRocket 12.03. Adds the launchrodvelocity and
+ deploymentvelocity attributes to <flightdata> element. The motor
+ digesting algorithm was changed. Adds <separationevent> and
+ <separationdelay> elements to stage components (except sustainer).
+
+1.5: Introduced with OpenRocket 12.xx. Added ComponentPresets.
+ Added lowerstageseparation as recovery device deployment event.
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