Added very important data cleaning added

TextField now cleans CR and LF from data, this is very important for not
breaking everything and leaving me completely confused.

Thank you, Lauren!

pyaccuwage/fields.py

@@ -126,6 +126,19 @@ class TextField(Field):
             value = value.upper()
         return value.ljust(self.max_length).encode('ascii')[:self.max_length]
 
+    def __setvalue(self, value):
+        # NO NEWLINES
+        try:
+            value = value.replace('\n', '').replace('\r', '')
+        except AttributeError, e:
+            pass
+        self._value = value
+
+    def __getvalue(self):
+        return self._value
+
+    value = property(__getvalue, __setvalue)
+
 
 class StateField(TextField):
     def __init__(self, name=None, required=True, use_numeric=False, max_length=2):
@@ -193,6 +206,24 @@ class BlankField(TextField):
     def parse(self, s):
         pass
 
+class CRLFField(TextField):
+    def __init__(self, name=None, required=False):
+        super(TextField, self).__init__(name=name, max_length=2, required=required, uppercase=False)
+
+    def __setvalue(self, value):
+        self._value = value
+
+    def __getvalue(self):
+        return self._value
+
+    value = property(__getvalue, __setvalue)
+
+    def get_data(self):
+        return '\r\n'
+
+    def parse(self, s):
+        self.value = s
+
 class BooleanField(Field):
     def __init__(self, name=None, required=True, value=None):
         super(BooleanField, self).__init__(name=name, required=required, max_length=1)