0.2.0

Includes better error handling, additional tests, parsing and lexing
fixes to match the desired behavior defined by the new tests, and a very
basic REPL implementation.

src/Main.hs

@@ -3,14 +3,11 @@ module Main where
 import Eval
 import Lexer
 import Parser
+import REPL (repl)
 import Research
 
 import Data.Map as Map
 import Text.Megaparsec (runParser)
 
 main :: IO ()
-main = putStr 
-     $ show 
-     $ result 
-     $ evalMulti Map.empty (parseMulti 
-      "false = t\nnot = t (t (t t) (t t t)) t\ntrue = not false\ntrue")
+main = repl Map.empty --(Map.fromList [("__result", Leaf)])