Fixed Bugs

Changelog:

1. Writed tests for priority ordering sources extracting
2. Unblock uint types for convertation

Fixed bugs & enhanced functionality

Change log:

1. Added support yaml
2. Added priority tag for change order chains for configuration
3. Global refactoring
4. Added test

Upgrade library by support vault secrets configuring

Changes:

1. Support configuring from source vault

Support json source for configuring

Merge pull request #32 from goreflect/issue_4

Issue 4: Support json source for configuring

Fixed bug

Merge pull request #33 from goreflect/issue_30

corrected logic for configuring values by pipeline

Implement Logrus

Add logrus as log outputer.
And also, add few methods for configuring logrus

Add test for any cases and some fixtures

1. Increase coverage by writing tests for any cases
2. Fixtrures

Stable version

Currently support:

1. Smart configuration by analys used tags
2. Setup configuration by setting pipeline

Implement sources:

1. Hocon from file
2. Default values
3. Environment variables