Fix client having NBT that the server doesn't

This was reported months ago but I forgot because it was in the WRONG PLACE.

src/main/java/WayofTime/bloodmagic/item/sigil/ItemSigilBase.java

@@ -51,7 +51,8 @@ public class ItemSigilBase extends ItemSigil implements IVariantProvider
         if (TextHelper.canTranslate(tooltipBase + "desc"))
             tooltip.addAll(Arrays.asList(TextHelper.cutLongString(TextHelper.localizeEffect(tooltipBase + "desc"))));
 
-        NBTHelper.checkNBT(stack);
+        if (!stack.hasTagCompound())
+            return;
 
         if (!Strings.isNullOrEmpty(getOwnerName(stack)))
             tooltip.add(TextHelper.localizeEffect("tooltip.BloodMagic.currentOwner", PlayerHelper.getUsernameFromStack(stack)));

src/main/java/WayofTime/bloodmagic/item/sigil/ItemSigilHolding.java

@@ -75,6 +75,9 @@ public class ItemSigilHolding extends ItemSigilBase implements IKeybindable, IAl
         super.addInformation(stack, player, tooltip, advanced);
         tooltip.add(TextHelper.localizeEffect("tooltip.BloodMagic.sigil.holding.press", KeyBindingBloodMagic.KeyBindings.OPEN_HOLDING.getKey().getDisplayName()));
 
+        if (!stack.hasTagCompound())
+            return;
+
         ItemStack[] inv = getInternalInventory(stack);
 
         if (inv == null)

src/main/java/WayofTime/bloodmagic/item/sigil/ItemSigilTeleposition.java

@@ -33,7 +33,8 @@ public class ItemSigilTeleposition extends ItemSigilBase
     {
         super.addInformation(stack, player, tooltip, advanced);
 
-        stack = NBTHelper.checkNBT(stack);
+        if (!stack.hasTagCompound())
+            return;
         NBTTagCompound tag = stack.getTagCompound();
 
         if (tag != null && stack.getTagCompound().hasKey(Constants.NBT.DIMENSION_ID) && stack.getTagCompound().hasKey(Constants.NBT.X_COORD) && stack.getTagCompound().hasKey(Constants.NBT.Y_COORD) && stack.getTagCompound().hasKey(Constants.NBT.Z_COORD))

src/main/java/WayofTime/bloodmagic/item/sigil/ItemSigilToggleableBase.java

@@ -43,8 +43,9 @@ public class ItemSigilToggleableBase extends ItemSigilToggleable implements IMes
     @SideOnly(Side.CLIENT)
     public void addInformation(ItemStack stack, EntityPlayer player, List<String> tooltip, boolean advanced)
     {
-        NBTHelper.checkNBT(stack);
         super.addInformation(stack, player, tooltip, advanced);
+        if (!stack.hasTagCompound())
+            return;
         tooltip.add(TextHelper.localizeEffect("tooltip.BloodMagic." + (getActivated(stack) ? "activated" : "deactivated")));
 
         if (!Strings.isNullOrEmpty(getOwnerName(stack)))

src/main/java/WayofTime/bloodmagic/item/sigil/ItemSigilTransposition.java

@@ -39,7 +39,8 @@ public class ItemSigilTransposition extends ItemSigilBase
     {
         super.addInformation(stack, player, tooltip, advanced);
 
-        stack = NBTHelper.checkNBT(stack);
+        if (!stack.hasTagCompound())
+            return;
         NBTTagCompound tag = stack.getTagCompound();
 
         if (tag.hasKey(Constants.NBT.CONTAINED_BLOCK_NAME) && tag.hasKey(Constants.NBT.CONTAINED_BLOCK_META))