Implementing several unimplemented cases in ecma conversion routines.
Implementing several unimplemented cases in ecma conversion routines.

bzsolt/jerryscript,jack60504/jerryscript,jerryscript-project/jerryscript,glistening/jerryscript,LeeHayun/jerryscript,zherczeg/jerryscript,robertsipka/jerryscript,bzsolt/jerryscript,zherczeg/jerryscript,jack60504/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,loki04/jerryscript,slaff/jerryscript,glistening/jerryscript,akosthekiss/jerryscript,martijnthe/jerryscript,glistening/jerryscript,slaff/jerryscript,bzsolt/jerryscript,dbatyai/jerryscript,loki04/jerryscript,akosthekiss/jerryscript,bsdelf/jerryscript,gabrielschulhof/jerryscript,jerryscript-project/jerryscript,slaff/jerryscript,tilmannOSG/jerryscript,LaszloLango/jerryscript,LaszloLango/jerryscript,LaszloLango/jerryscript,martijnthe/jerryscript,yichoi/jerryscript,tilmannOSG/jerryscript,zherczeg/jerryscript,gabrielschulhof/jerryscript,robertsipka/jerryscript,bsdelf/jerryscript,zherczeg/jerryscript,LeeHayun/jerryscript,tilmannOSG/jerryscript,grgustaf/jerryscript,jack60504/jerryscript,slaff/jerryscript,dbatyai/jerryscript,jack60504/jerryscript,martijnthe/jerryscript,grgustaf/jerryscript,LeeHayun/jerryscript,bzsolt/jerryscript,bsdelf/jerryscript,yichoi/jerryscript,glistening/jerryscript,robertsipka/jerryscript,robertsipka/jerryscript,loki04/jerryscript,tilmannOSG/jerryscript,jerryscript-project/jerryscript,martijnthe/jerryscript,gabrielschulhof/jerryscript,jack60504/jerryscript,glistening/jerryscript,jerryscript-project/jerryscript,dbatyai/jerryscript,grgustaf/jerryscript,jack60504/jerryscript,bsdelf/jerryscript,robertsipka/jerryscript,bsdelf/jerryscript,dbatyai/jerryscript,akosthekiss/jerryscript,akosthekiss/jerryscript,loki04/jerryscript,gabrielschulhof/jerryscript,gabrielschulhof/jerryscript,LeeHayun/jerryscript,robertsipka/jerryscript,loki04/jerryscript,bsdelf/jerryscript,loki04/jerryscript,bzsolt/jerryscript,LaszloLango/jerryscript,dbatyai/jerryscript,grgustaf/jerryscript,grgustaf/jerryscript,LaszloLango/jerryscript,yichoi/jerryscript,martijnthe/jerryscript,glistening/jerryscript,martijnthe/jerryscript,LeeHayun/jerryscript,zherczeg/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,tilmannOSG/jerryscript,yichoi/jerryscript,slaff/jerryscript