diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 30d399d..758de96 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e18cba7..2d80b69 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Sep 14 12:28:28 PDT 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14-bin.zip
diff --git a/gradlew b/gradlew
index 91a7e26..cccdd3d 100644
--- a/gradlew
+++ b/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@ while [ -h "$PRG" ] ; do
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@ location of your Java installation."
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@ fi
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index 8a0b282..f955316 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal
 
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
 
@@ -46,10 +46,9 @@ echo location of your Java installation.
 goto fail
 
 :init
-@rem Get command-line arguments, handling Windowz variants
+@rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +59,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line
diff --git a/src/main/java/nl/requios/effortlessbuilding/EventHandler.java b/src/main/java/nl/requios/effortlessbuilding/EventHandler.java
index 081034a..e56b66f 100644
--- a/src/main/java/nl/requios/effortlessbuilding/EventHandler.java
+++ b/src/main/java/nl/requios/effortlessbuilding/EventHandler.java
@@ -200,7 +200,7 @@ public class EventHandler
         ModifierSettingsManager.handleNewPlayer(player);
         ModeSettingsManager.handleNewPlayer(player);
 
-        UndoRedo.clear(event.player);
+        UndoRedo.clear(player);
         EffortlessBuilding.packetHandler.sendTo(new ClearUndoMessage(), (EntityPlayerMP) player);
     }
 }
diff --git a/src/main/java/nl/requios/effortlessbuilding/buildmodifier/BuildModifiers.java b/src/main/java/nl/requios/effortlessbuilding/buildmodifier/BuildModifiers.java
index f5acdcd..1fcdcdb 100644
--- a/src/main/java/nl/requios/effortlessbuilding/buildmodifier/BuildModifiers.java
+++ b/src/main/java/nl/requios/effortlessbuilding/buildmodifier/BuildModifiers.java
@@ -21,7 +21,6 @@ import java.util.*;
 
 public class BuildModifiers {
 
-
     //Called from BuildModes
     public static void onBlockPlaced(EntityPlayer player, List<BlockPos> startCoordinates, EnumFacing sideHit, Vec3d hitVec, boolean placeStartPos) {
         World world = player.world;
@@ -245,6 +244,16 @@ public class BuildModifiers {
         if (coordinates1 == null && coordinates2 == null) return true;
         if (coordinates1 == null || coordinates2 == null) return false;
 
-        return coordinates1.equals(coordinates2);
+        //Check count, not actual values
+        if (coordinates1.size() == coordinates2.size()){
+            if (coordinates1.size() == 1){
+                return coordinates1.get(0).equals(coordinates2.get(0));
+            }
+            return true;
+        } else {
+            return false;
+        }
+
+//        return coordinates1.equals(coordinates2);
     }
 }
diff --git a/src/main/java/nl/requios/effortlessbuilding/gui/RandomizerBagContainer.java b/src/main/java/nl/requios/effortlessbuilding/gui/RandomizerBagContainer.java
index cbb5859..b5f3432 100644
--- a/src/main/java/nl/requios/effortlessbuilding/gui/RandomizerBagContainer.java
+++ b/src/main/java/nl/requios/effortlessbuilding/gui/RandomizerBagContainer.java
@@ -118,16 +118,13 @@ public class RandomizerBagContainer extends Container {
     /**
      * Callback for when the crafting gui is closed.
      */
-//    @Override
-//    public void onContainerClosed(EntityPlayer player)
-//    {
-//        if(player.inventory.getItemStack() != null)
-//        {
-//            player.entityDropItem(player.inventory.getItemStack(), 0.5f);
-//        }
-//        if(!player.world.isRemote)
-//        {
-//            detectAndSendChanges();
-//        }
-//    }
+    @Override
+    public void onContainerClosed(EntityPlayer player)
+    {
+        super.onContainerClosed(player);
+        if(!player.world.isRemote)
+        {
+            detectAndSendChanges();
+        }
+    }
 }
diff --git a/src/main/java/nl/requios/effortlessbuilding/gui/elements/GuiScrollPane.java b/src/main/java/nl/requios/effortlessbuilding/gui/elements/GuiScrollPane.java
index dde35c0..2c26729 100644
--- a/src/main/java/nl/requios/effortlessbuilding/gui/elements/GuiScrollPane.java
+++ b/src/main/java/nl/requios/effortlessbuilding/gui/elements/GuiScrollPane.java
@@ -10,6 +10,7 @@ import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
 import net.minecraft.util.math.MathHelper;
+import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 import org.lwjgl.input.Mouse;
diff --git a/src/main/java/nl/requios/effortlessbuilding/item/ItemRandomizerBag.java b/src/main/java/nl/requios/effortlessbuilding/item/ItemRandomizerBag.java
index ae83076..f548606 100644
--- a/src/main/java/nl/requios/effortlessbuilding/item/ItemRandomizerBag.java
+++ b/src/main/java/nl/requios/effortlessbuilding/item/ItemRandomizerBag.java
@@ -20,6 +20,9 @@ import net.minecraftforge.common.capabilities.ICapabilityProvider;
 import net.minecraftforge.items.CapabilityItemHandler;
 import net.minecraftforge.items.IItemHandler;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.buildmode.BuildModes;
+import nl.requios.effortlessbuilding.buildmode.ModeSettingsManager;
+import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
 import nl.requios.effortlessbuilding.capability.ItemHandlerCapabilityProvider;
 import nl.requios.effortlessbuilding.helper.SurvivalHelper;
 
@@ -52,6 +55,14 @@ public class ItemRandomizerBag extends Item {
             player.openGui(EffortlessBuilding.instance, EffortlessBuilding.RANDOMIZER_BAG_GUI, world, 0, 0, 0);
         } else {
             if (world.isRemote) return EnumActionResult.SUCCESS;
+
+            //Only place manually if in normal vanilla mode
+            BuildModes.BuildModeEnum buildMode = ModeSettingsManager.getModeSettings(player).getBuildMode();
+            ModifierSettingsManager.ModifierSettings modifierSettings = ModifierSettingsManager.getModifierSettings(player);
+            if (buildMode != BuildModes.BuildModeEnum.NORMAL || modifierSettings.doQuickReplace()) {
+                return EnumActionResult.FAIL;
+            }
+
             //Use item
             //Get bag inventory
             ItemStack bag = player.getHeldItem(hand);
diff --git a/src/main/java/nl/requios/effortlessbuilding/proxy/ClientProxy.java b/src/main/java/nl/requios/effortlessbuilding/proxy/ClientProxy.java
index 0924b65..1992f2e 100644
--- a/src/main/java/nl/requios/effortlessbuilding/proxy/ClientProxy.java
+++ b/src/main/java/nl/requios/effortlessbuilding/proxy/ClientProxy.java
@@ -352,7 +352,8 @@ public class ClientProxy implements IProxy {
     }
 
     public static void openModifierSettings() {
-        EntityPlayerSP player = Minecraft.getMinecraft().player;
+        Minecraft mc = Minecraft.getMinecraft();
+        EntityPlayerSP player = mc.player;
 
         RadialMenu.instance.setVisibility(0f);
 
@@ -360,8 +361,8 @@ public class ClientProxy implements IProxy {
         if (ReachHelper.getMaxReach(player) == 0) {
             EffortlessBuilding.log(player, "Build modifiers are disabled until your reach has increased. Increase your reach with craftable reach upgrades.");
         } else {
-            if (Minecraft.getMinecraft().currentScreen == null) {
-                Minecraft.getMinecraft().displayGuiScreen(new ModifierSettingsGui());
+            if (mc.currentScreen == null) {
+                mc.displayGuiScreen(new ModifierSettingsGui());
             } else {
                 player.closeScreen();
             }