move IHaskell stuff to src/

.ghci

 :set -package ghc
 :set -package ghc-paths
 :set -optP-include -optPdist/build/autogen/cabal_macros.h
+:set -i. -isrc -idist/build/autogen
 :set -XDoAndIfThenElse -XNoImplicitPrelude -XOverloadedStrings

IHaskell.cabal

@@ -46,6 +46,7 @@ data-files:
   profile/profile.tar
 
 library
+  hs-source-dirs:      src
   build-depends:       base ==4.6.*,
                        hlint,
                        cmdargs >= 0.10,
@@ -81,6 +82,7 @@ library
 
 executable IHaskell
   -- .hs or .lhs file containing the Main module.
+  hs-source-dirs:      src
   main-is:             Main.hs
 
   build-tools:         happy, cpphs

README.md

@@ -69,8 +69,7 @@ Compilation Tools
 ---
 Install the `happy` parser generator tool and `cpphs` preprocessor:
 ```bash
-cabal install happy
-cabal install cpphs
+cabal install happy cpphs
 ```
 
 IHaskell Installation
@@ -148,10 +147,17 @@ The will hide all packages not listed in the
 
 **Using GHCi directly**
 
-If you don't want to use cabal repl, you can just call ghci with the appropriate options. You can find these in the IHaskell.cabal file. 
+If you don't want to use `cabal repl`, you can just call ghci which can read the `.ghci` file included in the repository for the options.
 
 ```bash
-ghci -XDoAndIfThenElse -XNoImplicitPrelude -XOverloadedStrings -package ghc -optP-include -optPdist/build/autogen/cabal_macros.h
+cd <path-to-IHaskell>
+chmod 600 .ghci # trust the .ghci file
+ghci
 ```
+Then in the ghci session  you can type things like:
 
-If you just call ghci, it will use the options present in the .ghci file that comes with the IHaskell repo. 
+```
+:load src/Hspec.hs
+hspec parserTests
+:browse IHaskell.Types
+```

IHaskell/Eval/Evaluate.hs → src/IHaskell/Eval/Evaluate.hs

-{-# LANGUAGE DoAndIfThenElse #-}
+{-# LANGUAGE DoAndIfThenElse, NoOverloadedStrings #-}
 {- | Description : Wrapper around GHC API, exposing a single `evaluate` interface that runs
                    a statement, declaration, import, or directive.