v0.2.1
changes:
- fix redudant white space: #118 #120
- add indicator for floating window in bar: #115
- fix bar layout tag update problem: #116
- disable sloppy focus when cursor not move: #122
- optimize floating and nonfloating window render layer: #127
- make child window floating: #128
- support preprocess configuration: #128
- bar mode visual improvements: #135