Split the 0.8.3 changelog into parts

Author: harendra-kumar

docs/User/Project/ApiChangelogs/0.8.3.txt …er/Project/ApiChangelogs/0.7.3-0.8.0.txtdocs/User/Project/ApiChangelogs/0.8.3.txt renamed to docs/User/Project/ApiChangelogs/0.7.3-0.8.0.txt docs/User/Project/ApiChangelogs/0.8.3.txt renamed to docs/User/Project/ApiChangelogs/0.7.3-0.8.0.txt

@@ -2,14 +2,6 @@
 # ~~~ means deprecated module
 # ~~ means deprecated symbol
 
-#----------------------------
-# Changes from 0.8.0 to 0.8.1
-#----------------------------
-
-@@@ Streamly.FileSystem.Handle
-++ getChunk :: MonadIO m => Int -> Handle -> m (Array Word8)
-++ putChunk :: (MonadIO m, Storable a) => Handle -> Array a -> m ()
-
 #----------------------------
 # Changes from 0.7.3 to 0.8.0
 #----------------------------

docs/User/Project/ApiChangelogs/0.8.0-0.8.1.txt

@@ -0,0 +1,11 @@
+# API diff as generated by cabal-diff with minor edits.
+# ~~~ means deprecated module
+# ~~ means deprecated symbol
+
+#----------------------------
+# Changes from 0.8.0 to 0.8.1
+#----------------------------
+
+@@@ Streamly.FileSystem.Handle
+++ getChunk :: MonadIO m => Int -> Handle -> m (Array Word8)
+++ putChunk :: (MonadIO m, Storable a) => Handle -> Array a -> m ()