Upgrade to setuptools==44.0.0 (#285)

This allows new features in setuptools, like find_namespace_packages.

Co-authored-by: lberki <lberki@users.noreply.github.com>

python/requirements.txt

diff --git a/python/requirements.txt b/python/requirements.txt
index 9298796..164fa26 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,5 +1,5 @@
 pip==9.0.3
-setuptools==38.2.4
+setuptools==44.0.0
 wheel==0.30.0a0
 
 # For tests

tools/piptool.par

diff --git a/tools/piptool.par b/tools/piptool.par
index 2fa8909..bfe5e69 100755
--- a/tools/piptool.par
+++ b/tools/piptool.par
Binary files differ

tools/whltool.par

diff --git a/tools/whltool.par b/tools/whltool.par
index 964963f..07e3ff9 100755
--- a/tools/whltool.par
+++ b/tools/whltool.par
Binary files differ