ignore notice from iconv like 'Detected an incomplete multibyte character in input string'
ignore notice from iconv like 'Detected an incomplete multibyte character in input string'

this caused issues when using Zend_ProgressBar_Adapter_Console

nsams/koala-framework,yacon/koala-framework,kaufmo/koala-framework,Sogl/koala-framework,fraxachun/koala-framework,koala-framework/koala-framework,koala-framework/koala-framework,kaufmo/koala-framework,darimpulso/koala-framework,kaufmo/koala-framework,Ben-Ho/koala-framework,darimpulso/koala-framework,nsams/koala-framework,yacon/koala-framework,Ben-Ho/koala-framework,nsams/koala-framework,fraxachun/koala-framework,yacon/koala-framework,Sogl/koala-framework