Change --upload_package to --upload.

Simplify cleanup of older snapshot uploads.  Just keep the last 50 files instead of trying to keep 5 of each type.  It's too easy for those filters to break.

Add ability to upload eggs, wheels, and exe's

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75501 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

buildtools/config.py

@@ -335,7 +335,7 @@ class Configuration(object):
         # is a release build.  (In theory)
         if os.path.exists('REV.txt'):
             f = open('REV.txt')
-            self.VER_FLAGS = '-' + f.read().strip()
+            self.VER_FLAGS = '_' + f.read().strip()
             f.close()
             
         self.VERSION = "%s.%s.%s.%s%s" % (self.VER_MAJOR,