Added CI support.

.gitignore

@@ -10,3 +10,6 @@ sample/**/*.bak
 tests/temp
 .pytest_cache
 pytestdebug.log
+
+# Coverage
+.coverage

.travis.yml

@@ -0,0 +1,16 @@
+dist: xenial   # required for Python >= 3.7
+language: python
+python:
+  - "3.5"
+  - "3.5-dev"  # 3.5 development branch
+  - "3.6"
+  - "3.6-dev"  # 3.6 development branch
+  - "3.7"
+  - "3.7-dev"  # 3.7 development branch
+  - "3.8-dev"  # 3.8 development branch
+# command to install dependencies
+install:
+  - pip install -r dependencies.txt
+# command to run tests
+script:
+  - pytest

dependencies.txt

@@ -0,0 +1,4 @@
+pyqt5
+appdirs
+lxml
+enchant