add changies changes for #9 and #10 PRs (#11)

Author: Kayrnt

.changes/unreleased/Docs-contributing-update.yaml

@@ -0,0 +1,6 @@
+kind: Docs
+body: Update CONTRIBUTING.md to reflect Makefile usage for dependency management and testing
+time: 2025-09-19T16:35:05.000000+02:00
+custom:
+    Author: Kayrnt
+    Issue: ""

.changes/unreleased/Features-uuid-support.yaml

@@ -0,0 +1,6 @@
+kind: Features
+body: Introduced UUID type for organization_id in APIConnection, ResultSetContext, and related models with automatic conversion between UUID and string formats
+time: 2025-09-19T16:35:00.000000+02:00
+custom:
+    Author: Kayrnt
+    Issue: ""

.changes/unreleased/Fixes-20250919-163236.yaml

@@ -0,0 +1,6 @@
+kind: Fixes
+body: Fix get_version
+time: 2025-09-19T16:32:36.531659+02:00
+custom:
+    Author: Kayrnt
+    Issue: ""

.changes/unreleased/Under-the-Hood-makefile.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Add Makefile for build and CI management
+time: 2025-09-19T16:35:04.000000+02:00
+custom:
+    Author: Kayrnt
+    Issue: ""

.changes/unreleased/Under-the-Hood-openapi-script.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Created a new script for generating OpenAPI v2 client code from YAML specification
+time: 2025-09-19T16:35:03.000000+02:00
+custom:
+    Author: Kayrnt
+    Issue: ""

.changes/unreleased/Under-the-Hood-uuid-tests.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Added tests to verify UUID handling and conversion in APIConnection and StatementRequest
+time: 2025-09-19T16:35:02.000000+02:00
+custom:
+    Author: Kayrnt
+    Issue: ""

.changes/unreleased/Under-the-Hood-uuid-validation.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Updated handling of organization_id to accept both string and UUID formats, with validation for string UUIDs in StatementHandler and other components
+time: 2025-09-19T16:35:01.000000+02:00
+custom:
+    Author: Kayrnt
+    Issue: ""