Refactored, simplified, and removed code; replaced cli header lib

- Reinitialized submodules
- Slightly restructed project
- Added more options to `compile.sh` script
- Added more utility functions

.gitlab-ci.yml

@@ -1,44 +0,0 @@
-variables:
-  PROJECT_ROOT_PATH: /home/$USER/gdpm
-
-
-stages:
-  - build
-  - test
-  - package
-
-
-cache:
-  paths:
-    - build
-
-
-before-script:
-  - echo "Setting up dependencies..."
-
-
-build-job:
-  stage: build
-  script:
-    - echo -e "Building executable and libraries...\n$PWD"
-    - bin/compile.sh
-
-
-test-job:
-  stage: test
-  script:
-    - echo "Running unit tests..."
-    - bin/gdpm-tests
-
-
-package-job:
-  stage: package
-  script:
-    - echo "Packaging binaries..."
-
-
-deploy-job:
-  stage: deploy
-  script:
-    - echo "Deploying application..."
-  environment: production