fix issue #106. disable call signature completion on opening bracket
fix issue #106. disable call signature completion on opening bracket

tianzhihen/SublimeJEDI,kkujawinski/SublimeJEDI,kkujawinski/SublimeJEDI,srusskih/SublimeJEDI,edelvalle/SublimeJEDI,wiki05/SublimeJEDI,eddiejessup/SublimeJEDI,wiki05/SublimeJEDI,noname007/SublimeJEDI,noname007/SublimeJEDI,tianzhihen/SublimeJEDI,eddiejessup/SublimeJEDI