Gte and Lte checks are added. (#161)

# Describe Request

Greater than or equal tp (Gte) and less than or equal to (Lte) checks
are added.

# Change Type

New checks.

Version v2. (#158)

# Describe Request

Version v2.

# Change Type

New version.

Change mistakes to errors. (#128)

# Describe Request

Change mistakes to errors.

# Change Type

Code maintenance.

Fixing the CI badge. (#127)

# Describe Request

Fixing the CI badge.

# Change Type

Documentation fix.

Gofmt simplify. (#121)

URL escape and unescape normalier. Fixes #110 (#119)

# Describe Request

URL escape and unescape normalier. 

Fixes #110

# Change Type

New normalizer.

Fix overview. (#116)

# Describe Request

Fix overview.

# Change Type

Document change.

Add Examples. Fixes #111 (#115)

# Describe Request

Add Examples. Fixes #111

# Change Type

Documentation change.

ISBN checker is added. Fixes #27 (#100)

# Describe Request

ISBN checker is added. 

Fixes #27

# Change Type

Checker added.

Integrate codecov. Fixes #90 (#91)

# Describe Request

Integrate codecov. Fixes #90

# Change Type

Maintenance change.