diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 706d5ef..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,161 +0,0 @@
-os: linux
-dist: trusty
-sudo: false
-group: travis_latest
-language: c++
-cache: ccache
-
-addons:
- apt:
- sources: &apt_sources
- - ubuntu-toolchain-r-test
- - llvm-toolchain-precise-3.5
- - llvm-toolchain-precise-3.6
- - llvm-toolchain-precise-3.7
- - llvm-toolchain-precise-3.8
- - llvm-toolchain-trusty-3.9
- - llvm-toolchain-trusty-4.0
- - llvm-toolchain-trusty-5.0
- - llvm-toolchain-trusty-6.0
-
-matrix:
- include:
- - os: linux
- env: COMPILER=g++-4.8
- compiler: gcc
- addons: &gcc4_8
- apt:
- packages: ["g++-4.8", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=g++-4.9
- compiler: gcc
- addons: &gcc4_9
- apt:
- packages: ["g++-4.9", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=g++-5
- compiler: gcc
- addons: &gcc5
- apt:
- packages: ["g++-5", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=g++-6
- compiler: gcc
- addons: &gcc6
- apt:
- packages: ["g++-6", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=g++-7
- compiler: gcc
- addons: &gcc7
- apt:
- packages: ["g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=g++-8
- compiler: gcc
- addons: &gcc8
- apt:
- packages: ["g++-8", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-3.5
- compiler: clang
- addons: &clang3_5
- apt:
- packages: ["clang-3.5", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-3.6
- compiler: clang
- addons: &clang3_6
- apt:
- packages: ["clang-3.6", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-3.7
- compiler: clang
- addons: &clang3-7
- apt:
- packages: ["clang-3.7", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-3.8
- compiler: clang
- addons: &clang3_8
- apt:
- packages: ["clang-3.8", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-3.9
- compiler: clang
- addons: &clang3_9
- apt:
- packages: ["clang-3.9", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-4.0
- compiler: clang
- addons: &clang4_0
- apt:
- packages: ["clang-4.0", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-5.0
- compiler: clang
- addons: &clang5_0
- apt:
- packages: ["clang-5.0", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: linux
- env: COMPILER=clang++-6.0
- compiler: clang
- addons: &clang6_0
- apt:
- packages: ["clang-6.0", "g++-7", "python3-pip", "lcov"]
- sources: *apt_sources
-
- - os: osx
- osx_image: xcode7.3
- compiler: clang
- env: COMPILER='clang++'
-
- - os: osx
- osx_image: xcode8
- compiler: clang
- env: COMPILER='clang++'
-
- - os: osx
- osx_image: xcode9
- compiler: clang
- env: COMPILER='clang++'
-
- - os: osx
- osx_image: xcode10
- compiler: clang
- env: COMPILER='clang++'
-
-script:
- - export CXX=${COMPILER}
- - JOBS=2 # Travis machines have 2 cores.
- - mkdir build && cd build
- - cmake -G "Unix Makefiles" -DOPTIONAL_LITE_OPT_SELECT_NONSTD=ON -DOPTIONAL_LITE_OPT_BUILD_TESTS=ON -DOPTIONAL_LITE_OPT_BUILD_EXAMPLES=OFF ..
- - cmake --build . -- -j${JOBS}
- - ctest --output-on-failure -j${JOBS}
diff --git a/README.md b/README.md
index 4d4ab3e..c9e008a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
# optional lite: A single-file header-only version of a C++17-like optional, a nullable object for C++98, C++11 and later
-[![Language](https://img.shields.io/badge/C%2B%2B-98/11-blue.svg)](https://en.wikipedia.org/wiki/C%2B%2B#Standardization) [![License](https://img.shields.io/badge/license-BSL-blue.svg)](https://opensource.org/licenses/BSL-1.0) [![Build Status](https://github.com/martinmoene/optional-lite/actions/workflows/ci.yml/badge.svg)](https://github.com/martinmoene/optional-lite/actions/workflows/ci.yml) [![Build Status](https://travis-ci.org/martinmoene/optional-lite.svg?branch=master)](https://travis-ci.org/martinmoene/optional-lite) [![Build status](https://ci.appveyor.com/api/projects/status/1oq5gjm7bufrv6ib?svg=true)](https://ci.appveyor.com/project/martinmoene/optional-lite) [![Version](https://badge.fury.io/gh/martinmoene%2Foptional-lite.svg)](https://github.com/martinmoene/optional-lite/releases) [![download](https://img.shields.io/badge/latest-download-blue.svg)](https://raw.githubusercontent.com/martinmoene/optional-lite/master/include/nonstd/optional.hpp) [![Conan](https://img.shields.io/badge/on-conan-blue.svg)](https://conan.io/center/optional-lite) [![Try it online](https://img.shields.io/badge/on-wandbox-blue.svg)](https://wandbox.org/permlink/bfZdDT4WerPNZi6b) [![Try it on godbolt online](https://img.shields.io/badge/on-godbolt-blue.svg)](https://godbolt.org/z/3tecRa)
+[![Language](https://img.shields.io/badge/C%2B%2B-98/11-blue.svg)](https://en.wikipedia.org/wiki/C%2B%2B#Standardization) [![License](https://img.shields.io/badge/license-BSL-blue.svg)](https://opensource.org/licenses/BSL-1.0) [![Build Status](https://github.com/martinmoene/optional-lite/actions/workflows/ci.yml/badge.svg)](https://github.com/martinmoene/optional-lite/actions/workflows/ci.yml) [![Build status](https://ci.appveyor.com/api/projects/status/1oq5gjm7bufrv6ib?svg=true)](https://ci.appveyor.com/project/martinmoene/optional-lite) [![Version](https://badge.fury.io/gh/martinmoene%2Foptional-lite.svg)](https://github.com/martinmoene/optional-lite/releases) [![download](https://img.shields.io/badge/latest-download-blue.svg)](https://raw.githubusercontent.com/martinmoene/optional-lite/master/include/nonstd/optional.hpp) [![Conan](https://img.shields.io/badge/on-conan-blue.svg)](https://conan.io/center/optional-lite) [![Try it online](https://img.shields.io/badge/on-wandbox-blue.svg)](https://wandbox.org/permlink/bfZdDT4WerPNZi6b) [![Try it on godbolt online](https://img.shields.io/badge/on-godbolt-blue.svg)](https://godbolt.org/z/3tecRa)
**Contents**
- [Example usage](#example-usage)
diff --git a/project/CodeBlocks/optional-lite.cbp b/project/CodeBlocks/optional-lite.cbp
index 3e81478..9507057 100644
--- a/project/CodeBlocks/optional-lite.cbp
+++ b/project/CodeBlocks/optional-lite.cbp
@@ -13,7 +13,6 @@
-