CHANGELOG: Prepared 0.5.1 (#84)

CHANGELOG: Prepare for v0.5.0

Merge pull request #57 from cycloidio/hr-56

terraform: fix unexpected error with multiple providers

Merge pull request #55 from cycloidio/hr-improve-error

testing: add handling of unknown providers and empty terraform

Merge pull request #54 from cycloidio/hr-fix-resource

hcl: type/provider were missing for resources

Merge pull request #52 from cycloidio/vs-51

Correct planned cost calculation for resource diff

Merge pull request #50 from cycloidio/vs-0.4.0

CHANGELOG: Bump to 0.4.0

CHANGELOG.md: prepare for release v0.3.0 (#46)

CHANGELOG.md: prepare for release 0.2.0 (#44)

CHANGELOG.md: prepare for release 0.1.1 (#41)