Many PEP8 fixes

Signed-off-by: William Moreno Reyes <williamjmorenor@gmail.com>

num2words/lang_EN.py

@@ -17,6 +17,7 @@
 from __future__ import division, unicode_literals, print_function
 from . import lang_EU
 
+
 class Num2Word_EN(lang_EU.Num2Word_EU):
     def set_high_numwords(self, high):
         max = 3 + 3*len(high)
@@ -99,6 +100,7 @@ to_ord = n2w.to_ordinal
 to_ordnum = n2w.to_ordinal_num
 to_year = n2w.to_year
 
+
 def main():
     for val in [ 1, 11, 12, 21, 31, 33, 71, 80, 81, 91, 99, 100, 101, 102, 155,
              180, 300, 308, 832, 1000, 1001, 1061, 1100, 1500, 1701, 3000,