diff --git a/MCGalaxy/Database/BlockDB/BlockDB.cs b/MCGalaxy/Database/BlockDB/BlockDB.cs
index d18c71b31..9242767dc 100644
--- a/MCGalaxy/Database/BlockDB/BlockDB.cs
+++ b/MCGalaxy/Database/BlockDB/BlockDB.cs
@@ -48,7 +48,7 @@ namespace MCGalaxy.DB {
             ReadDimensions();
             Locker = new IReaderWriterLock();
             
-            if (Dims.X < lvl.Width) Dims.X = lvl.Width;
+            if (Dims.X < lvl.Width)  Dims.X = lvl.Width;
             if (Dims.Y < lvl.Height) Dims.Y = lvl.Height;
             if (Dims.Z < lvl.Length) Dims.Z = lvl.Length;
             Cache.Dims = Dims;
diff --git a/MCGalaxy/MCGalaxy_.csproj b/MCGalaxy/MCGalaxy_.csproj
index 583a5ab5e..f2cbed841 100644
--- a/MCGalaxy/MCGalaxy_.csproj
+++ b/MCGalaxy/MCGalaxy_.csproj
@@ -51,7 +51,7 @@
     <DebugType>PdbOnly</DebugType>
     <Optimize>True</Optimize>
     <OutputPath>..\bin\Release\</OutputPath>
-    <DefineConstants>TRACE;TEN_BIT_BLOCKS</DefineConstants>
+    <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>..\..\Source\General.ruleset</CodeAnalysisRuleSet>
@@ -64,10 +64,6 @@
   <PropertyGroup />
   <PropertyGroup />
   <PropertyGroup />
-  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
-    <CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
-    <BaseIntermediateOutputPath>obj\</BaseIntermediateOutputPath>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="LibNoise">
       <HintPath>..\LibNoise.dll</HintPath>
diff --git a/MCGalaxy/util/SparseBitSet.cs b/MCGalaxy/util/SparseBitSet.cs
index 719ba7ed9..c6c322cb5 100644
--- a/MCGalaxy/util/SparseBitSet.cs
+++ b/MCGalaxy/util/SparseBitSet.cs
@@ -18,11 +18,15 @@
 using System;
 
 namespace MCGalaxy.Util {
+    /// <summary> Sparsely represents 1 bit of data per voxel in a 3D volume. </summary>
+    /// <remarks> Typically this means 1 bit per block in a level. </remarks>
+    /// <remarks> Does NOT perform any bounds checking. </remarks>
     public sealed class SparseBitSet {
         
         int chunksX, chunksY, chunksZ;
         byte[][] bits;
         
+        /// <summary> Initialises a sparse bit set for the given 3D volume. </summary>
         public SparseBitSet(int width, int height, int length) {
             chunksX = Utils.CeilDiv16(width);
             chunksY = Utils.CeilDiv16(height);
@@ -30,6 +34,8 @@ namespace MCGalaxy.Util {
             bits = new byte[chunksX * chunksY * chunksZ][];
         }
         
+        /// <summary> Returns the 1 bit of data associated with the given coordinates. </summary>
+        /// <remarks> If Set() was never called before at the given coordinates, returns false. </remarks>
         public bool Get(int x, int y, int z) {
             int index = (x >> 4) + chunksX * ((z >> 4) + (y >> 4) * chunksZ);
             byte[] chunk = bits[index];
@@ -39,6 +45,7 @@ namespace MCGalaxy.Util {
             return (chunk[index >> 3] & (1 << (index & 0x7))) != 0;
         }
         
+        /// <summary> Sets the 1 bit of data associated with the given coordinates. </summary>
         public void Set(int x, int y, int z, bool bit) {
             int index = (x >> 4) + chunksX * ((z >> 4) + (y >> 4) * chunksZ);
             byte[] chunk = bits[index];
@@ -52,6 +59,8 @@ namespace MCGalaxy.Util {
             chunk[index >> 3] |= (byte)((bit ? 1 : 0) << (index & 0x7)); // set new bit
         }
         
+        /// <summary> Attempts to sets the 1 bit of data associated with the given coordinates to true. </summary>
+        /// <remarks> true if the 1 bit of data was not already set to true, false if it was. </remarks>
         public bool TrySetOn(int x, int y, int z) {
             int index = (x >> 4) + chunksX * ((z >> 4) + (y >> 4) * chunksZ);
             byte[] chunk = bits[index];
@@ -67,6 +76,7 @@ namespace MCGalaxy.Util {
             return true;
         }
         
+        /// <summary> Resets all bits of data to false. </summary>
         public void Clear() {
             for (int i = 0; i < bits.Length; i++)
                 bits[i] = null;