Weekly Music Chart, Muchart

v0.9.9.1.0- add Itunes US top songs- remove billboard k-pop chartv0.9.9.0.12- fix the url of billboard chartv0.9.9.0.11- fix to show the billboard thumbsv0.9.9.0.10- fix the billboard chart data urlv0.9.9.0.9- change billboard k-pop chat to billboard kr chartv0.9.9.0.8- fix a bugv0.9.9.0.6- change the launcher iconv0.9.9.0.5- fix bug : back up executed before the data is changed.v.0.9.9.0.4- add trend to melon chartsv.0.9.9.0.3- adjust the data saved