Add item conversions

Based on my own assumptions about them

eos/db/migrations/upgrade42.py

@@ -0,0 +1,50 @@
+"""
+Migration 42
+
+- Resistance membrane tiericide
+"""
+
+CONVERSIONS = {
+    16391: (  # Compact Multispectrum Energized Membrane
+        16389,  # Experimental Energized Adaptive Nano Membrane I
+        16387,  # Limited Energized Adaptive Nano Membrane I
+        16385,  # Upgraded Energized Adaptive Nano Membrane I
+    ),
+    16423: (  # Compact Layered Energized Membrane
+        16421,  # Experimental Energized Armor Layering Membrane I
+        16419,  # Limited Energized Armor Layering Membrane I
+        16417,  # Upgraded Energized Armor Layering Membrane I
+    ),
+    16415: (  # Compact EM Energized Membrane
+        16413,  # Experimental Energized EM Membrane I
+        16411,  # Limited Energized EM Membrane I
+        16409,  # Upgraded Energized EM Membrane I
+    ),
+    16407: (  # Compact Explosive Energized Membrane
+        16405,  # Experimental Energized Explosive Membrane I
+        16403,  # Limited Energized Explosive Membrane I
+        16401,  # Upgraded Energized Explosive Membrane I
+    ),
+    16399: (  # Compact Kinetic Energized Membrane
+        16397,  # Experimental Energized Kinetic Membrane I
+        16395,  # Limited Energized Kinetic Membrane I
+        16393,  # Upgraded Energized Kinetic Membrane I
+    ),
+    16431: (  # Compact Thermal Energized Membrane
+        16429,  # Experimental Energized Thermal Membrane I
+        16427,  # Limited Energized Thermal Membrane I
+        16425,  # Upgraded Energized Thermal Membrane I
+    )
+}
+
+
+def upgrade(saveddata_engine):
+    # Convert modules
+    for replacement_item, list in CONVERSIONS.items():
+        for retired_item in list:
+            saveddata_engine.execute('UPDATE "modules" SET "itemID" = ? WHERE "itemID" = ?',
+                                     (replacement_item, retired_item))
+            saveddata_engine.execute('UPDATE "modules" SET "baseItemID" = ? WHERE "baseItemID" = ?',
+                                     (replacement_item, retired_item))
+            saveddata_engine.execute('UPDATE "cargo" SET "itemID" = ? WHERE "itemID" = ?',
+                                     (replacement_item, retired_item))