Cleaned some table lookups and added relevant strictness
EqWord class added
Using fromIntegral instead of ghc internals
some documentation touch up.
rearranged some source code.
Merge added EqWord class.

The resulting equality operator === is timing resistant.
EqWord: tests and bug fixup in Word64 instance
Fixing bug in EqWord instances
Merge fix errors in EqWord fixes #195.
a minor typo.
added PureByteSource instance for Maybe type.
some rewriting of docs.
moved the HasPadding and PaddingGadget together.
moved HasName class to a separate file.
removed HasName from the export list of R.C.Primitives.
moved HasName to R.C.Types
make HasName visible.
some more documentation cleanups.
sorted module listing in cabal file.
sorted module listing in R.Core.hs