Drop parseVarWithoutAssignment

Additionally sorts gitignore and adds attempted decoding of lists back
to the REPL

src/Parser.hs

@@ -54,16 +54,9 @@ parseFunction = do
 
 parseAtomicBase :: Parser TricuAST
 parseAtomicBase = choice
-    [ try parseVarWithoutAssignment
-    , parseTreeLeaf
+    [ parseTreeLeaf
     , parseGrouped
     ]
-parseVarWithoutAssignment :: Parser TricuAST
-parseVarWithoutAssignment = do
-    LIdentifier name <- satisfy isIdentifier
-    if (name == "t" || name == "__result")
-    then fail $ "Reserved keyword: " ++ name ++ " cannot be assigned."
-    else notFollowedBy (satisfy (== LAssign)) *> return (SVar name)
 
 parseLambda :: Parser TricuAST
 parseLambda = between (satisfy (== LOpenParen)) (satisfy (== LCloseParen)) $ do