Add continuous integration

.appveyor.yml

@@ -0,0 +1,37 @@
+version: '{build}'
+
+cache:
+- nim-0.17.2_x64.zip
+- x86_64-4.9.2-release-win32-seh-rt_v4-rev4.7z
+- packages -> **\packages.config
+- '%LocalAppData%\NuGet\Cache -> **\packages.config'
+
+matrix:
+  fast_finish: true
+
+environment:
+  matrix:
+    - MINGW_ARCHIVE: x86_64-4.9.2-release-win32-seh-rt_v4-rev4.7z
+      MINGW_DIR: mingw64
+      MINGW_URL: https://ayera.dl.sourceforge.net/project/mingw-w64/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/4.9.2/threads-win32/seh/x86_64-4.9.2-release-win32-seh-rt_v4-rev4.7z
+      NIM_ARCHIVE: nim-0.17.2_x64.zip
+      NIM_DIR: nim-0.17.2
+      NIM_URL: https://nim-lang.org/download/nim-0.17.2_x64.zip
+      platform: x64
+
+install:
+  - MKDIR %CD%\tools_tmp
+  - IF not exist "%MINGW_ARCHIVE%" appveyor DownloadFile "%MINGW_URL%" -FileName "%MINGW_ARCHIVE%"
+  - 7z x -y "%MINGW_ARCHIVE%" -o"%CD%\tools_tmp"> nul
+  - IF not exist "%NIM_ARCHIVE%" appveyor DownloadFile "%NIM_URL%" -FileName "%NIM_ARCHIVE%"
+  - 7z x -y "%NIM_ARCHIVE%" -o"%CD%\tools_tmp"> nul
+  - SET PATH=%CD%\tools_tmp\%NIM_DIR%\bin;%CD%\tools_tmp\%MINGW_DIR%\bin;%PATH%
+  - SET PATH=%PATH%;%CD%
+
+build_script:
+  - nimble.exe refresh
+
+test_script:
+  - nimble.exe test
+
+deploy: off

.travis.yml

@@ -0,0 +1,43 @@
+language: c
+
+cache: ccache
+
+matrix:
+  include:
+    # Build and test against the master (stable) and devel branches of Nim
+    # Build and test using both gcc and clang
+    - os: linux
+      env: CHANNEL=stable
+      compiler: gcc
+
+    - os: linux
+      env: CHANNEL=devel
+      compiler: gcc
+
+    # On OSX we only test against clang (gcc is mapped to clang by default)
+    - os: osx
+      env: CHANNEL=stable
+      compiler: clang
+
+  allow_failures:
+    # Ignore failures when building against the devel Nim branch
+    # Also ignore OSX, due to very long build time and Homebrew/curl SSLRead errors
+    - env: CHANNEL=devel
+    - os: osx
+  fast_finish: true
+
+install:
+  - export CHOOSENIM_NO_ANALYTICS=1
+  - curl https://nim-lang.org/choosenim/init.sh -sSf > init.sh
+  - sh init.sh -y
+  - export PATH=~/.nimble/bin:$PATH
+  - echo "export PATH=~/.nimble/bin:$PATH" >> ~/.profile
+  - choosenim $CHANNEL
+
+script:
+    - nimble refresh
+    - nimble test
+
+branches:
+  except:
+    - gh-pages