1.3.0

• Bumped minimum Xcode version to 13.0+.
• Bumped Swift version to 5.0 in Package.swift.
• Bumped target platform minimum version to 12.0+ (iOS and tvOS) and 10.14 (macOS).
• Improved errors thrown when validation fails due to invalid consecutive operators (on some cases the error was thrown but was of different type).
• Improved tests implementation to check for correct error being thrown.
• Removed Travis CI integration due to Open Source projects support being dropped.
• Reimplemented example app using SwiftUI.
• Improved documentation and added step-by-step installation guide.

Breaking changes

• MathExpression.ValidationError.consecutiveMultiplicativeOperators(String) has been renamed to MathExpression.ValidationError.invalidConsecutiveOperators(String).

1.2.0

• Added support for Swift Package Manager.
• Added example app.
• Improved documentation.

1.1.1

• Fixed issue in operation priority.
• Added further tests.

1.1.0

• Added support for tvOS 10 or higher.
• Addes support for macOS 10.10 or higher.
• Improved CI setup.

1.0.1

• Improved parentheses validation algorithm (validation between 20% and 80% faster).
• Improved parentheses decomposition algorithm (evaluation between 15% and 85% faster).
• Added stress performance tests.

1.0.0

Initial Stable Release - Xcode 10.0+, Swift 4.2+, iOS 10+