diff --git a/.gitignore b/.gitignore
index c8d19a0..b290779 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@ TAGS
 \.\#
 ^\#
 build/
+compile_commands.json
 config.log
 cspell.json
 dtl_test
diff --git a/compile_commands.json b/compile_commands.json
deleted file mode 100644
index 53c1865..0000000
--- a/compile_commands.json
+++ /dev/null
@@ -1,188 +0,0 @@
-[
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe -DGTEST_LINKED_AS_SHARED_LIBRARY=1 @CMakeFiles/dtl_test.dir/includes_CXX.rsp -std=gnu++14 -o CMakeFiles/dtl_test.dir/test/Intdifftest.cpp.obj -c C:/src/dtl/test/Intdifftest.cpp",
-  "file": "C:/src/dtl/test/Intdifftest.cpp",
-  "output": "CMakeFiles/dtl_test.dir/test/Intdifftest.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe -DGTEST_LINKED_AS_SHARED_LIBRARY=1 @CMakeFiles/dtl_test.dir/includes_CXX.rsp -std=gnu++14 -o CMakeFiles/dtl_test.dir/test/Objdifftest.cpp.obj -c C:/src/dtl/test/Objdifftest.cpp",
-  "file": "C:/src/dtl/test/Objdifftest.cpp",
-  "output": "CMakeFiles/dtl_test.dir/test/Objdifftest.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe -DGTEST_LINKED_AS_SHARED_LIBRARY=1 @CMakeFiles/dtl_test.dir/includes_CXX.rsp -std=gnu++14 -o CMakeFiles/dtl_test.dir/test/Patchtest.cpp.obj -c C:/src/dtl/test/Patchtest.cpp",
-  "file": "C:/src/dtl/test/Patchtest.cpp",
-  "output": "CMakeFiles/dtl_test.dir/test/Patchtest.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe -DGTEST_LINKED_AS_SHARED_LIBRARY=1 @CMakeFiles/dtl_test.dir/includes_CXX.rsp -std=gnu++14 -o CMakeFiles/dtl_test.dir/test/Strdiff3test.cpp.obj -c C:/src/dtl/test/Strdiff3test.cpp",
-  "file": "C:/src/dtl/test/Strdiff3test.cpp",
-  "output": "CMakeFiles/dtl_test.dir/test/Strdiff3test.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe -DGTEST_LINKED_AS_SHARED_LIBRARY=1 @CMakeFiles/dtl_test.dir/includes_CXX.rsp -std=gnu++14 -o CMakeFiles/dtl_test.dir/test/Strdifftest.cpp.obj -c C:/src/dtl/test/Strdifftest.cpp",
-  "file": "C:/src/dtl/test/Strdifftest.cpp",
-  "output": "CMakeFiles/dtl_test.dir/test/Strdifftest.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe -DGTEST_LINKED_AS_SHARED_LIBRARY=1 @CMakeFiles/dtl_test.dir/includes_CXX.rsp -std=gnu++14 -o CMakeFiles/dtl_test.dir/test/dtl_test.cpp.obj -c C:/src/dtl/test/dtl_test.cpp",
-  "file": "C:/src/dtl/test/dtl_test.cpp",
-  "output": "CMakeFiles/dtl_test.dir/test/dtl_test.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe -DGTEST_LINKED_AS_SHARED_LIBRARY=1 @CMakeFiles/dtl_test.dir/includes_CXX.rsp -std=gnu++14 -o CMakeFiles/dtl_test.dir/test/dtl_test_common.cpp.obj -c C:/src/dtl/test/dtl_test_common.cpp",
-  "file": "C:/src/dtl/test/dtl_test_common.cpp",
-  "output": "CMakeFiles/dtl_test.dir/test/dtl_test_common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/bdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/bdiff.dir/examples/bdiff.cpp.obj -c C:/src/dtl/examples/bdiff.cpp",
-  "file": "C:/src/dtl/examples/bdiff.cpp",
-  "output": "CMakeFiles/bdiff.dir/examples/bdiff.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/bdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/bdiff.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/bdiff.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/fpatch.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/fpatch.dir/examples/fpatch.cpp.obj -c C:/src/dtl/examples/fpatch.cpp",
-  "file": "C:/src/dtl/examples/fpatch.cpp",
-  "output": "CMakeFiles/fpatch.dir/examples/fpatch.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/fpatch.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/fpatch.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/fpatch.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/intdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/intdiff.dir/examples/intdiff.cpp.obj -c C:/src/dtl/examples/intdiff.cpp",
-  "file": "C:/src/dtl/examples/intdiff.cpp",
-  "output": "CMakeFiles/intdiff.dir/examples/intdiff.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/intdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/intdiff.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/intdiff.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/intdiff3.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/intdiff3.dir/examples/intdiff3.cpp.obj -c C:/src/dtl/examples/intdiff3.cpp",
-  "file": "C:/src/dtl/examples/intdiff3.cpp",
-  "output": "CMakeFiles/intdiff3.dir/examples/intdiff3.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/intdiff3.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/intdiff3.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/intdiff3.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/patch.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/patch.dir/examples/patch.cpp.obj -c C:/src/dtl/examples/patch.cpp",
-  "file": "C:/src/dtl/examples/patch.cpp",
-  "output": "CMakeFiles/patch.dir/examples/patch.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/patch.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/patch.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/patch.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/st2ses.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/st2ses.dir/examples/st2ses.cpp.obj -c C:/src/dtl/examples/st2ses.cpp",
-  "file": "C:/src/dtl/examples/st2ses.cpp",
-  "output": "CMakeFiles/st2ses.dir/examples/st2ses.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/st2ses.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/st2ses.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/st2ses.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff.dir/examples/strdiff.cpp.obj -c C:/src/dtl/examples/strdiff.cpp",
-  "file": "C:/src/dtl/examples/strdiff.cpp",
-  "output": "CMakeFiles/strdiff.dir/examples/strdiff.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/strdiff.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff3.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff3.dir/examples/strdiff3.cpp.obj -c C:/src/dtl/examples/strdiff3.cpp",
-  "file": "C:/src/dtl/examples/strdiff3.cpp",
-  "output": "CMakeFiles/strdiff3.dir/examples/strdiff3.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff3.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff3.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/strdiff3.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff_cp.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff_cp.dir/examples/strdiff_cp.cpp.obj -c C:/src/dtl/examples/strdiff_cp.cpp",
-  "file": "C:/src/dtl/examples/strdiff_cp.cpp",
-  "output": "CMakeFiles/strdiff_cp.dir/examples/strdiff_cp.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff_cp.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff_cp.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/strdiff_cp.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff_storage.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff_storage.dir/examples/strdiff_storage.cpp.obj -c C:/src/dtl/examples/strdiff_storage.cpp",
-  "file": "C:/src/dtl/examples/strdiff_storage.cpp",
-  "output": "CMakeFiles/strdiff_storage.dir/examples/strdiff_storage.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/strdiff_storage.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/strdiff_storage.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/strdiff_storage.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/unidiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/unidiff.dir/examples/unidiff.cpp.obj -c C:/src/dtl/examples/unidiff.cpp",
-  "file": "C:/src/dtl/examples/unidiff.cpp",
-  "output": "CMakeFiles/unidiff.dir/examples/unidiff.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/unidiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/unidiff.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/unidiff.dir/examples/common.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/unistrdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/unistrdiff.dir/examples/unistrdiff.cpp.obj -c C:/src/dtl/examples/unistrdiff.cpp",
-  "file": "C:/src/dtl/examples/unistrdiff.cpp",
-  "output": "CMakeFiles/unistrdiff.dir/examples/unistrdiff.cpp.obj"
-},
-{
-  "directory": "C:/src/dtl/build",
-  "command": "C:/Users/sgra3018/scoop/apps/msys2/2024-05-07/mingw64/bin/c++.exe  @CMakeFiles/unistrdiff.dir/includes_CXX.rsp -std=gnu++11 -o CMakeFiles/unistrdiff.dir/examples/common.cpp.obj -c C:/src/dtl/examples/common.cpp",
-  "file": "C:/src/dtl/examples/common.cpp",
-  "output": "CMakeFiles/unistrdiff.dir/examples/common.cpp.obj"
-}
-]
\ No newline at end of file