*update*
> [scripts]
| [install] clone openlibm repository at `_openlibm` instead of `openlibm`
| [update] use the `_openlibm` folder instead of `openlibm`
| [uninstall] use the `_openlibm` folder instead of `openlibm`
*add*
> [scripts]
| [update] support update operation
| [install] support `--overwrite` option
*update*
> [scripts]
| [install] expose sysroot information in build folder
| [install] allow overwrite the current build (remove and reclone)
*fix*
> [scripts]
| [uninstall] fix typo in help message
*update*
> [scripts]
| [_utils] drop Vhex env handling
| [_utils] move TAG information here
| [_utils] use common `VERBOSE` env var to check verbose mode
| [install] drop Vhex env handling
| [install] update help message
| [install] abort operation if no sysroot prefix specified
| [install] use common `VERBOSE` en var to enable verbose mode
| [install] add steps information (buidl, config, install)
*fix*
> [scripts]
| [install] fix default verbose value
| [install] fix default prefix value
*add*
> [project]
| [README] first draft
| [git] ignore default files
> [scripts]
| [install] first installation operation support
> [patches]
| [openlibm] port Lephenixnoir sh3eb support
| [cmake] add custom build system for the openlibm
| [cmake] add toolchain support