Game version 0.95.191 released

Notable changes:

• Fixed HyperDrive 1 becoming always available on levels 1 and 2 when loading a save. This caused problems with the Pre-Hyperdrive trait in the campaign as traders were no longer slowed down by the scripting. The fix works only with a new game. For those who run into this problem, load an earlier save, produce and equip the incorrectly-available HyperDrive 1 on your fleets. [Issue #890]
• Three-way battles sometimes placed opposing units on top of each other if an attacker-owner planet was nearby. [Issue #891]