Merge pull request #127 from XeroAPI/xero-python-1.27.0

fixes sdk version in setup files and docs

Author: manishT72

bin/post-generation-hook.sh

@@ -6,4 +6,7 @@ PATH=${PROJECT_ROOT}/venv/Scripts:$PATH  # expects python environment in venv/
 command -v black >/dev/null 2>&1 || { echo >&2 "'black' required, but not found. Please read 'Local installation' section in ${PROJECT_ROOT}/CONTRIBUTING.md file. Aborting."; exit 1; }
 command -v flake8 >/dev/null 2>&1 || { echo >&2 "'flake8' required, but not found. Please read 'Local installation' section in ${PROJECT_ROOT}/CONTRIBUTING.md file. Aborting."; exit 1; }
 cd "${PROJECT_ROOT}" && black xero_python && flake8 xero_python
-python bin/get_yaml_value.py "${1}" "${2}" | xargs python bin/bumpversion.py
+
+# python bin/get_yaml_value.py "${1}" "packageVersion" | xargs python ./bin/bumpversion.py
+
+python ./bin/bumpversion.py $2