Feature/structure and testing changes (#22)

* refactor: refactored code to facilitate testing in pipeline

* refactor: added some tests

* refactor: added some tests

* refactor: added some tests

* version bump

* made changes so arguments will accept Option<&T> instead of &Option<T>

* added auth related code from main branch

* allow support for passing DNS in the socks_address

* accepted clippy suggestions

* bump the dependencies version

.github/workflows/rust.yml

@@ -2,21 +2,18 @@ name: Rust
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 env:
   CARGO_TERM_COLOR: always
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - uses: actions/checkout@v2
+      - name: Run tests
+        run: cargo test --verbose -- --nocapture