0.1.6

Add:
1.add UniqueTaskExecutor

Change:
1.move _asyncRun & _asyncMap method in TaskExecutor to BaseTaskExecutor

Fix:
None

Remove:
None

0.1.5

Add:
None.

Change:
None

Fix:
1.Fixed the problem that the qt binding could not be found correctly in some cases.

Remove:
None

0.1.3

Add:
1.Support task priority.
2.Support pyqt5,6 pyside2,6.

Change:
None.

Fix:
None,

Remove:
None.