v3.13

misc

• Fix unicode support in python3.

qibuild

• Minor bugfixes and typo fixes.
• Add QT5_QUICKCONTROLS2 cmake module
• Ensure subdirectories have correct permissions

qisrc

• Update submodules when syncing (including when cloning)
• Let qisrc sync resolve the dependencies of subprojects in submodules

qipkg

• Use custom build_config in pml packager to find breakpad in the host config