v0.3.0

Changelog

ddd7a60 fix #28: implement call prototype
2d10f46 issue #28: first call prototype
d926f5e issue #28: define merge operation
20bea6a refactor deps and envs
c85be01 enable exhaustive and noctx
bf89c57 refactor model
d5aae84 rethink the tool
7084d1b issue #28: simplify model
ed98ce6 issue #28: support envs for dependencies
a7ad213 issue #28: complete dependency model
f289dc4 issue #28: complete environment model
7d5204c issue #28: work with environments
a9b1060 remove forward command
c987485 fix #27: enable more linters
db3a55d fix #26: update toolset and sync makefile
87d1746 up deps