diff --git a/ChangeLog b/ChangeLog
new file mode 100644
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,9 @@
+ChangeLog
+
+v0.2 2013/06/30
+	(2013/06/30) PS1 - fixed cabal compilation warnings.
+	(2013/05/29) PS1 - check for non-positive argument in floorlog.
+	This fixes an infinite loop bug.
+
+v0.1 2013/05/27
+	First public release.
diff --git a/Data/Number/FixedPrec.hs b/Data/Number/FixedPrec.hs
--- a/Data/Number/FixedPrec.hs
+++ b/Data/Number/FixedPrec.hs
@@ -84,6 +84,7 @@
 -- for exact types such as 'Rational' and 'EReal'.
 floorlog :: (Fractional b, Ord b) => b -> b -> (Integer, b)
 floorlog b x 
+    | x <= 0            = error "floorlog: argument not positive"
     | 1 <= x && x < b   = (0, x)
     | 1 <= x*b && x < 1 = (-1, b*x)
     | r < b             = (2*n, r)
diff --git a/fixedprec.cabal b/fixedprec.cabal
--- a/fixedprec.cabal
+++ b/fixedprec.cabal
@@ -1,6 +1,6 @@
 Name:           fixedprec
 -- don't forget to bump the "this" source tag
-Version:        0.1
+Version:        0.2
 License:        BSD3
 cabal-version:  >= 1.8
 Build-type:	Simple
@@ -17,6 +17,8 @@
   Data.Number.Fixed and Data.Number.CReal, but more efficient.
 bug-reports:    mailto:selinger@mathstat.dal.ca
 
+extra-source-files: ChangeLog
+
 Library
   Build-Depends:
     base >= 3 && < 5
@@ -27,5 +29,5 @@
   Ghc-Options:
     -Wall
     -fno-warn-name-shadowing
-    -fno-warn-unused-binds
+    -fno-warn-unused-matches
     -fno-warn-type-defaults