Consider UUID when sorting (#769)

* Ensure filename sort considers UUIDs correctly

* Consider edge cases in filename sorting

* Updated comments and renamed sort methods for clarity.

* Added tests for sorting with matching filenames

* Updated PBXProjEncoderTests for new files

* Revert changes in the Fixture

* Add new fixture

* Fix tests

* Include fixtures' xcuserdata

* Add some tests

* Add a test for duplicated file references in the same group

* Fix tests

* Update Xcode versions list and add beta

---------

Co-authored-by: Timothy Costa <timothycosta@gmail.com>

.github/workflows/xcodeproj.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: macos-11
     strategy:
       matrix:
-        xcode: ["12.4", "12.5", "13.0"]
+        xcode: ["12.5.1", "13.4.1", "14.3.1", "beta"]
     steps:
       - uses: actions/checkout@v1
       - name: Select Xcode ${{ matrix.xcode }}

.gitignore

@@ -185,3 +185,4 @@ XcodeProj.xcodeproj
 tmp/
 XcodeProj.framework.zip
 
+!Fixtures/**/xcuserdata/