Bump to 0.7.0
    
    Maintainer's changelog:
    
    John Kacur (9):
      python-linux-procfs: Add tar.xz and asc files to gitignore
      python-linux-procfs: Fix traceback with non-utf8 chars in the
        /proc/PID/cmdline
      python-linux-procfs: Propagate error to user if a pid is completed
      python-linux-procfs: pflags: Handle pids that completed
      python-linux-procfs: Makefile: Add ctags
      python-linux-procfs: Remove procfs/sysctl.py
      python-linux-procfs: Various clean-ups
      python-linux-procfs: Fix UnicodeDecodeError
      python-linux-procfs: Create release v0.7.0