Fix File-Not-Found error

• requirements to update py7zr version which has no more os.chdir() patch.

Refactoring threading installation logic

It changes an installation logic as simpler and more robust.

• No more os.chdir() (#97)
• Allow path search for 7z (#96)
• Use Popen for launching external 7zip command

Reduce slow down for extraction

• Deduce an issue to slow down reported as #86
• Limit py7zr version to v0.5.* that does not include a feature to extract password protected archives

Requirement py7zr >= 0.5

azure: use script to run Aqt

Signed-off-by: Hiroshi Miura <[email protected]>

Fix installation of extra modules on Qt5.9

Previous versions ignore extra modules on Qt5.9.
This version fixes an issue.

Better extra module handling

• Can use '-m all' option to install all extra modules
• Don't need external 7zip command, otherwise it uses py7zr python module to extract package in default.

Drop '--internal' option

Prepare for v0.7b1

Signed-off-by: Hiroshi Miura <[email protected]>

Add "-m all" option which install all extra modules

Prepare for v0.7a2

Signed-off-by: Hiroshi Miura <[email protected]>

Warn when unknown version/host/component combinations

Prepare for v0.6

Signed-off-by: Hiroshi Miura <[email protected]>

configuration in settings.ini file

Prepare for v0.7a1

Signed-off-by: Hiroshi Miura <[email protected]>