1.21.1 (14-Jan-2020)

• Fix: Fix options type detection using six.string_types. (#6322)
• Fix: Fix minor issues in cmake and cmake_multi generators: wrong variable used in conan_find_apple_frameworks macro. (#6295)
• Fix: Generators cmake and cmake_multi use the name of the package instead of cpp_info.name (this change is to be reverted in 1.22) (#6288)
• Bugfix: Fixing readout of backslashes for virtualenv generator files so they are not interpreted as escape characters. (#6320)
• Bugfix: Fix uninformative crash when tools.download() gets a 403 and it is not providing an auth field. (#6317)
• Bugfix: Enhance validation of the short_paths_home property to correctly handle the scenarios where it is set to a path that contains the value of the Conan cache path, but is not a subdirectory of it. (#6304)
• Bugfix: Fixes cpp_info.name vs. cpp_info.names issue in pkg_config generator (#6223)