v1.3.35 change list

• Greatly increased chance of getting at least one “spy rescue” side mission per patrol • Added timer showing delay until dive (Sim difficulty) • Added new enemy fuel depot variant • Enemy convoys are now more and more scarce as a Campaign progresses (reduced by 50% by final patrol; moddable) • Reduced fuel consumed during Wait In Place by 50% (moddable) • Modding: Added field to specify a Mod Set per Campaign mission