old_contents: # version scheme: (major, minor, micro, release_level)
  #
  # major:
  #   0 .. not all planned features done
  #   1 .. all features available
  #   2 .. if significant API change (2, 3, ...)
  #
  # minor:
  #   changes with new features or minor API changes
  #
  # micro:
  #   changes with bug fixes, maybe also minor API changes
  #
  # release_state:
  #   a .. alpha: adding new features - non-public development state
  #   b .. beta: testing new features - public development state
  #   rc .. release candidate: testing release - public testing
  #   release: public release
  #
  # examples:
  #   major pre-release alpha 2: VERSION = "0.9.0a2"; version = (0, 9, 0, 'a2')
  #   major release candidate 0: VERSION = "0.9.0rc0"; version = (0, 9, 0, 'rc0')
  #   major release: VERSION = "0.9.0"; version = (0, 9, 0, 'release')
  #   1. bug fix release beta0: VERSION = "0.9.1b0"; version = (0, 9, 1, 'b0')
  #   2. bug fix release: VERSION = "0.9.2"; version = (0, 9, 2, 'release')
  
  version = (1, 0, 0, "rc1")
  __version__ = "1.0.0rc1"
  
new_contents: # version scheme: (major, minor, micro, release_level)
  #
  # major:
  #   0 .. not all planned features done
  #   1 .. all features available
  #   2 .. if significant API change (2, 3, ...)
  #
  # minor:
  #   changes with new features or minor API changes
  #
  # micro:
  #   changes with bug fixes, maybe also minor API changes
  #
  # release_state:
  #   a .. alpha: adding new features - non-public development state
  #   b .. beta: testing new features - public development state
  #   rc .. release candidate: testing release - public testing
  #   release: public release
  #
  # examples:
  #   major pre-release alpha 2: VERSION = "0.9.0a2"; version = (0, 9, 0, 'a2')
  #   major release candidate 0: VERSION = "0.9.0rc0"; version = (0, 9, 0, 'rc0')
  #   major release: VERSION = "0.9.0"; version = (0, 9, 0, 'release')
  #   1. bug fix release beta0: VERSION = "0.9.1b0"; version = (0, 9, 1, 'b0')
  #   2. bug fix release: VERSION = "0.9.2"; version = (0, 9, 2, 'release')
  
  version = (1, 0, 0, "rc2")
  __version__ = "1.0.0rc2"
  
subject: bump version to 1.0.0rc2