Fixed errors in the usage sections for methods file and line. Also added code example for line.
Fixed errors in the usage sections for methods file and line. Also added code example for line.

gfldex/doc,stmuk/doc,MasterDuke17/doc,tbrowder/doc,MasterDuke17/doc,MasterDuke17/doc,antquinonez/doc,jonathanstowe/doc,stmuk/doc,dmaestro/doc,perl6/doc,perl6/doc,jonathanstowe/doc,tbrowder/doc,perl6/doc,antquinonez/doc,gfldex/doc,jonathanstowe/doc,dmaestro/doc,perl6/doc,dha/doc,antquinonez/doc,dmaestro/doc,dha/doc,jonathanstowe/doc,stmuk/doc,dha/doc,gfldex/doc,gfldex/doc,stmuk/doc,stmuk/doc,dmaestro/doc,tbrowder/doc,antquinonez/doc,antquinonez/doc,dmaestro/doc,dha/doc,perl6/doc,MasterDuke17/doc,tbrowder/doc,dha/doc,jonathanstowe/doc,gfldex/doc