Chaoyang Liu 844f33b6c0 fix #40 issue and add .gitignore file
* Make the parameter "motors_reversed" take effect:
    Before returning encoder data, check parameter "motors_reversed" if
    true. If true, make these data opposite. So does motors speed data.
* Add .gitignore to ignore files like pyc generated by PVM and temporary
  files generated by vim or other editors
2017-08-15 09:26:42 +08:00
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