Refactoring and first steps to make multi OS compatible.

- Using cgofuse to be compatible with multiple OSes
- Refactor to make possible better testing
- Add a bunch of tests
- Add code coverage

Signed-off-by: Antonio Navarro Perez <antnavper@gmail.com>

.github/workflows/test.yaml

@@ -4,11 +4,13 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.13.x, 1.14.x]
+        go-version: [1.15.x]
         platform: [ubuntu-latest]
         # platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
+    - name: Install fuse
+      run: sudo apt-get install libfuse-dev gcc
     - name: Install Go
       uses: actions/setup-go@v2
       with:
@@ -17,5 +19,11 @@ jobs:
       uses: actions/checkout@v2
     - name: Test
       run: make test
+    - name: Code Coverage
+      uses: codecov/codecov-action@v1
+      with:
+        fail_ci_if_error: true
     - name: Build
       run: make build
+    - name: Compile
+      run: make compile