2.3.1: adds a demo test; #24

2.3.1: fixes the bug that if the second entry might be ommitted. fixes #24

fixes test cases for python 3

2.3.0: if a module name is invalid, an ValueError will raise, fixes #23

README: fixes typo

2.2.0: adds output_config()

fixes KeyError exception if dependency tree is empty. fixes #21

2.1.0: support neuron.src, fixes #20

fixes packages map, #15

preserve the logic to map ranges, #15

2.0.0: breaking change: removes n.output(), and splits it into n.output_scripts() and n.output_facades().

removes an unnecessary empty line, improves README.md

1.0.1: fixes neuron.config.loaded about entries which are not main module.

updates README.md

adds change log