FIX: Fix version

codespell_lib/_codespell.py

diff --git a/codespell_lib/_codespell.py b/codespell_lib/_codespell.py
index af25140..222f52d 100755
--- a/codespell_lib/_codespell.py
+++ b/codespell_lib/_codespell.py
@@ -30,7 +30,7 @@
 USAGE = """
 \t%prog [OPTIONS] [file1 file2 ... fileN]
 """
-VERSION = '1.9.1'
+VERSION = '1.10.0.dev0'
 
 misspellings = {}
 exclude_lines = set()