add auto-testing shenanigans

.appveyor.yml

@@ -0,0 +1,15 @@
+cache:
+  - C:\strawberry
+
+install:
+  - if not exist "C:\strawberry" choco install strawberryperl -y
+  - set PATH=C:\strawberry\c\bin;C:\strawberry\perl\site\bin;C:\strawberry\perl\bin;%PATH%
+  - cd %APPVEYOR_BUILD_FOLDER%
+  - cpanm --quiet --installdeps --with-develop --notest .
+
+build_script:
+  - perl Makefile.PL
+  - gmake
+
+test_script:
+  - gmake test

.cirrus.yml

@@ -0,0 +1,11 @@
+freebsd_instance:
+  image: freebsd-12-0-release-amd64
+
+freebsd_tests_task:
+  test_script:
+    - pkg install -y perl5
+    - echo|cpan App::cpanminus
+    - cpanm --installdeps .
+    - perl Makefile.PL
+    - make
+    - make test

.travis.yml

@@ -0,0 +1,23 @@
+language: perl
+dist: trusty
+env: PERL_USE_UNSAFE_INC=0
+perl:
+  - "5.8"
+  - "5.10"
+  - "5.12"
+  - "5.14"
+  - "5.16"
+  - "5.18"
+  - "5.20"
+  - "5.22"
+  - "5.24"
+  - "5.26"
+  - "5.28"
+  - "5.30"
+matrix:
+  include:
+    - perl: 5.20
+      env: COVERAGE=1
+before_install:
+  - eval $(curl https://travis-perl.github.io/init) --auto
+sudo: false