v0.5.0

Changelog

15b690f issue #33: describe nfr
658a37f fix #25: declare sdk
f419d0b issue #30: cover application
82ce067 issue #30: cover specification
ea09f3f issue #30: cover executable
97c7af5 issue #30: cover workers
5d7a972 issue #30: cover queues
e17ddde issue #30: cover deps
dd6d1f1 issue #30: cover crons
c6e0309 issue #30: cover simple entities
17d244b issue #30: move merge test to cmd
8ef0798 issue #30: cover simple struct merge
a6fc5b6 issue #30: cover host and proxies
fc50b50 issue #30: up coverage for databases
bdb58d7 extend PostgreSQL config
e516a56 fix #32: add all storages
d22265c issue #32: separate sort tests
150047b issue #32: separate merge tests
f1e6762 disable model tests
d805f73 issue #32: separate Worker and EnvVars
77d0944 issue #32: separate Queue and Sphinx
e89cc80 issue #32: separate Exec and Proxy
6eb3648 issue #32: separate Cron and Dependency
e401cfc issue #32: separate PostgreSQL and Redis
4ab138c issue #32: separate Balancer and Logger
d228c5a issue #32: separate Resource and Engine
5608e0e issue #32: add redis support