v0.1.1

Added

• Test suite for pyftrace (runtests.py).

• -v, --version option to display the current version of pyftrace.

  $ pyftrace -v
  pyftrace version 0.1.1
  $ pyftrace --version
  pyftrace version 0.1.1

Changed

• Renamed class SimplePyftrace to Pyftrace.

Fixed

• Aligned the printed output for called and returned function traces to have consistent depth levels for readability.
• Updated related test code to reflect these alignment changes.