Bump up the requests library versions (#15)

requirements.txt

@@ -1,2 +1,2 @@
-requests==2.22.0
+requests>=2.25.0
 future==0.18.2

setup.py

@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name='qbosdk',
-    version='0.13.0',
+    version='0.13.1',
     author='Shwetabh Kumar',
     author_email='[email protected]',
     description='Python SDK for accessing Quickbooks Online APIs',
@@ -18,7 +18,7 @@
     keywords=['quickbooks-online', 'quickbooks', 'fyle', 'api', 'python', 'sdk'],
     url='https://github.com/fylein/qbo-sdk-py',
     packages=setuptools.find_packages(),
-    install_requires=['requests==2.22.0', 'future==0.18.2'],
+    install_requires=['requests>=2.25.0', 'future==0.18.2'],
     classifiers=[
         'Topic :: Internet :: WWW/HTTP',
         'Intended Audience :: Developers',