Updating version and changes

Author: andrewkaufman

Changes

@@ -1,3 +1,21 @@
+# 8.0.0-b7
+
+#### IECore
+
+- Added TransferSmoothSkinningWeightsOp
+- Added GIL release for DisplayDriver imageData and imageClose binding
+
+#### IECoreMaya
+
+- Added ToMayaCurveConverter
+
+#### IECoreHoudini
+
+- Houdini 13 Compatibility (requires H13.0.267 to pass tests)
+- Fixed HoudiniScene custom attribute bug when two callbacks define the same attribute
+- Fixed exception when reading HoudiniScene custom attributes that didn't exist in the underlying scene
+- Using handles instead of strings when validating the DetailSplitter
+
 # 8.0.0-b6
 
 #### IECore

SConstruct

@@ -53,7 +53,7 @@ SConsignFile()
 ieCoreMajorVersion=8
 ieCoreMinorVersion=0
 ieCorePatchVersion=0
-ieCoreVersionSuffix="b6"	# used for alpha/beta releases. Example: "a1", "b2", etc.
+ieCoreVersionSuffix="b7"	# used for alpha/beta releases. Example: "a1", "b2", etc.
 
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 # Command line options