0.9.1 Add license note. Fix minor bug with large numbers

setup.py

diff --git a/setup.py b/setup.py
index 1f16da7..d11cef2 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 with open("README.rst") as readmefile:
     readme = readmefile.read()
 setup(name='toml',
-      version='0.9.0',
+      version='0.9.1',
       description="Python Library for Tom's Obvious, Minimal Language",
       author="Uiri Noyb",
       author_email="uiri@xqz.ca",

toml.py

diff --git a/toml.py b/toml.py
index f272372..5d837a6 100644
--- a/toml.py
+++ b/toml.py
@@ -1,3 +1,5 @@
+# This software is released under the MIT license
+
 import datetime, decimal, re
 
 class TomlTz(datetime.tzinfo):
@@ -458,7 +460,7 @@
             if v[0] == '-':
                 neg = True
                 v = v[1:]
-            if '.' in v:
+            if '.' in v or 'e' in v:
                 if v.split('.', 1)[1] == '':
                     raise Exception("This float is missing digits after the point")
                 if v[0] not in digits:
@@ -625,7 +627,7 @@
     if isinstance(v, datetime.datetime):
         return v.isoformat()[:19]+'Z'
     if isinstance(v, float):
-        return '{0:f}'.format(decimal.Decimal(str(v)))
+        return str(v)
     return v
 
 def toml_merge_dict(a, b):