Updated build script so we always make sure twine is up to date.

Signed-off-by: David Rebbe <drebbe@intrepidcs.com>

Author: drebbe-intrepid

build_all.bat

@@ -2,18 +2,18 @@
 mode con cols=140 lines=70
 
 
-C:\Python27\scripts\pip install wheel twine
-C:\Python33\scripts\pip install wheel twine
-C:\Python34\scripts\pip install wheel twine
-C:\Python35\scripts\pip install wheel twine
-C:\Python36-32\scripts\pip install wheel twine
-C:\Python37-32\scripts\pip install wheel twine
+C:\Python27\scripts\pip install wheel twine --upgrade
+C:\Python33\scripts\pip install wheel twine --upgrade
+C:\Python34\scripts\pip install wheel twine --upgrade
+C:\Python35\scripts\pip install wheel twine --upgrade
+C:\Python36-32\scripts\pip install wheel twine --upgrade
+C:\Python37-32\scripts\pip install wheel twine --upgrade
 
-C:\Python27-64\scripts\pip install wheel twine
-C:\Python34-64\scripts\pip install wheel twine
-C:\Python35-64\scripts\pip install wheel twine
-C:\Python36-64\scripts\pip install wheel twine
-C:\Python37-64\scripts\pip install wheel twine
+C:\Python27-64\scripts\pip install wheel twine --upgrade
+C:\Python34-64\scripts\pip install wheel twine --upgrade
+C:\Python35-64\scripts\pip install wheel twine --upgrade
+C:\Python36-64\scripts\pip install wheel twine --upgrade
+C:\Python37-64\scripts\pip install wheel twine --upgrade
 
 C:\Python27\python setup.py sdist bdist_wheel
 C:\Python33\python setup.py sdist bdist_wheel