release:prepare 4.4.7 release (#107)

Author: alrex

CHANGELOG.md

@@ -1,5 +1,9 @@
 CHANGELOG.md
 
+<a name="4.4.7"></a>
+## [4.4.7](https://github.com/lightstep/lightstep-tracer-python/compare/4.4.6...4.4.7)
+* Cast all carrier values to string (#106)
+
 <a name="4.4.6"></a>
 ## [4.4.6](https://github.com/lightstep/lightstep-tracer-python/compare/4.4.5...4.4.6)
 * Format tracebacks with cause

RELEASING.md

@@ -2,7 +2,7 @@
 
 Once all the changes for a release have been merged to master, ensure the following:
 
-- [ ] version has been updated in `VERSION`, `lightstep/version.py` and `setup.cfg` 
+- [ ] version has been updated in `VERSION`, `lightstep/version.py` and `setup.py` 
 - [ ] tests are passing
 - [ ] user facing documentation has been updated
 

VERSION

@@ -1 +1 @@
-4.4.6
+4.4.7

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='lightstep',
-    version='4.4.6',
+    version='4.4.7',
     description='LightStep Python OpenTracing Implementation',
     long_description='',
     author='LightStep',