Moved the repl to a new package

ethereum/repl/repl_windows.go

@@ -0,0 +1,24 @@
+package ethrepl
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+func (self *JSRepl) read() {
+	reader := bufio.NewReader(os.Stdin)
+	for {
+		fmt.Printf(self.prompt)
+		str, _, err := reader.ReadLine()
+		if err != nil {
+			fmt.Println("Error reading input", err)
+		} else {
+			self.parseInput(string(str))
+		}
+	}
+}
+
+func (self *JSRepl) PrintValue(value otto.Value) {
+	fmt.Println(value)
+}