build: bump version to 0.1.9

Author: BFergerson

Diff for: setup.py

@@ -2,7 +2,7 @@
 from setuptools import setup
 
 setup(name='sourceplusplus',
-      version='0.1.8',
+      version='0.1.9',
       description='Source++ Python Probe',
       url='https://github.com/sourceplusplus/probe-python',
       author='Source++',

Diff for: sourceplusplus/__init__.py

@@ -1,3 +1,3 @@
-__version__ = '0.1.8'
+__version__ = '0.1.9'
 __name__ = 'Source++'
 agent_name = 'Source++ Python Probe'