Added a travis file.

.travis.yml

@@ -0,0 +1,4 @@
+language: rust
+rust:
+  - nightly
+script: ./scripts/test.sh

scripts/test.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -e
+
+EXAMPLES_DIR="examples/"
+LIB_DIR="lib/"
+MACROS_DIR="macros/"
+
+function build_and_test() {
+  local dir=$1
+  if [ -z "${dir}" ] || ! [ -d "${dir}" ]; then
+    echo "Tried to build and test inside '${dir}', but it is an invalid path."
+    exit 1
+  fi
+
+  pushd ${dir}
+  echo ":: Building '${PWD}'..."
+  cargo build --verbose
+
+  echo ":: Running unit tests in '${PWD}'..."
+  cargo test --verbose
+  popd
+}
+
+build_and_test $LIB_DIR
+build_and_test $MACROS_DIR
+
+for file in ${EXAMPLES_DIR}/*; do
+  echo "${file}"
+  if [ -d "${file}" ]; then
+    build_and_test "${file}"
+  fi
+done