diff --git a/code/AssimpPCH.h b/code/AssimpPCH.h
index e9b02f384..46f1442c3 100644
--- a/code/AssimpPCH.h
+++ b/code/AssimpPCH.h
@@ -106,16 +106,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #	include "../include/BoostWorkaround/boost/scoped_ptr.hpp"
 #	include "../include/BoostWorkaround/boost/format.hpp"
-#	include "../include/BoostWorkaround/boost/multi_array.hpp"
 
 #else
 
-// NOTE: boost::multi_array is nto yet supported by the workaround
-#define AI_BUILD_NO_BVH_IMPORTER
-
 #	include <boost/scoped_ptr.hpp>
 #	include <boost/format.hpp>
-#	include <boost/multi_array.hpp>
 
 #endif
 
diff --git a/include/aiQuaternion.h b/include/aiQuaternion.h
index 7ce4125b0..1079c8751 100644
--- a/include/aiQuaternion.h
+++ b/include/aiQuaternion.h
@@ -88,7 +88,7 @@ inline aiQuaternion::aiQuaternion( const aiMatrix3x3 &pRotMatrix)
 	float t = 1 + pRotMatrix.a1 + pRotMatrix.b2 + pRotMatrix.c3;
 
 	// large enough
-	if( t > 0.00001f)
+	if( t > 0.001f)
 	{
 		float s = sqrt( t) * 2.0f;
 		x = (pRotMatrix.b3 - pRotMatrix.c2) / s;
@@ -98,29 +98,29 @@ inline aiQuaternion::aiQuaternion( const aiMatrix3x3 &pRotMatrix)
 	} // else we have to check several cases
 	else if( pRotMatrix.a1 > pRotMatrix.b2 && pRotMatrix.a1 > pRotMatrix.c3 )  
 	{	
-		// Column 0: 
+    // Column 0: 
 		float s = sqrt( 1.0f + pRotMatrix.a1 - pRotMatrix.b2 - pRotMatrix.c3) * 2.0f;
-		x = -0.25f * s;
+		x = 0.25f * s;
 		y = (pRotMatrix.a2 + pRotMatrix.b1) / s;
 		z = (pRotMatrix.c1 + pRotMatrix.a3) / s;
-		w = (pRotMatrix.c2 - pRotMatrix.b3) / s;
+		w = (pRotMatrix.b3 - pRotMatrix.c2) / s;
 	} 
 	else if( pRotMatrix.b2 > pRotMatrix.c3) 
 	{ 
-		// Column 1: 
+    // Column 1: 
 		float s = sqrt( 1.0f + pRotMatrix.b2 - pRotMatrix.a1 - pRotMatrix.c3) * 2.0f;
 		x = (pRotMatrix.a2 + pRotMatrix.b1) / s;
-		y = -0.25f * s;
+		y = 0.25f * s;
 		z = (pRotMatrix.b3 + pRotMatrix.c2) / s;
-		w = (pRotMatrix.a3 - pRotMatrix.c1) / s;
+		w = (pRotMatrix.c1 - pRotMatrix.a3) / s;
 	} else 
 	{ 
-		// Column 2:
+    // Column 2:
 		float s = sqrt( 1.0f + pRotMatrix.c3 - pRotMatrix.a1 - pRotMatrix.b2) * 2.0f;
 		x = (pRotMatrix.c1 + pRotMatrix.a3) / s;
 		y = (pRotMatrix.b3 + pRotMatrix.c2) / s;
-		z = -0.25f * s;
-		w = (pRotMatrix.b1 - pRotMatrix.a2) / s;
+		z = 0.25f * s;
+		w = (pRotMatrix.a2 - pRotMatrix.b1) / s;
 	}
 }
 
diff --git a/workspaces/vc8/assimp.vcproj b/workspaces/vc8/assimp.vcproj
index fa2d66d53..16494f05c 100644
--- a/workspaces/vc8/assimp.vcproj
+++ b/workspaces/vc8/assimp.vcproj
@@ -726,10 +726,6 @@
 					RelativePath="..\..\include\BoostWorkaround\boost\format.hpp"
 					>
 				</File>
-				<File
-					RelativePath="..\..\include\BoostWorkaround\boost\multi_array.hpp"
-					>
-				</File>
 				<File
 					RelativePath="..\..\include\BoostWorkaround\boost\scoped_ptr.hpp"
 					>
@@ -1724,6 +1720,14 @@
 				>
 			</File>
 		</Filter>
+		<File
+			RelativePath="..\..\code\SkeletonMeshBuilder.cpp"
+			>
+		</File>
+		<File
+			RelativePath="..\..\code\SkeletonMeshBuilder.h"
+			>
+		</File>
 	</Files>
 	<Globals>
 	</Globals>