doc: Merge/update old docs for Element.Methods insert/remove/update methods into source [#80 state:fixed_in_branch]
doc: Merge/update old docs for Element.Methods insert/remove/update methods into source [#80 state:fixed_in_branch]

baiyanghese/prototype,Jiasm/prototype,sstephenson/prototype,fashionsun/prototype,Gargaj/prototype,erpframework/prototype,loduis/prototype,ridixcr/prototype,baiyanghese/prototype,lamsieuquay/prototype,sstephenson/prototype,loduis/prototype,loduis/prototype,sdumitriu/prototype,ridixcr/prototype,leafo/prototype,Jiasm/prototype,292388900/prototype,lamsieuquay/prototype,sstephenson/prototype,Gargaj/prototype,sdumitriu/prototype,292388900/prototype,ldf7801528/prototype,ShefronYudy/prototype,sdumitriu/prototype,ldf7801528/prototype,ShefronYudy/prototype,fashionsun/prototype,ldf7801528/prototype,erpframework/prototype,292388900/prototype,ShefronYudy/prototype,ridixcr/prototype,Gargaj/prototype,erpframework/prototype,leafo/prototype,lamsieuquay/prototype,Jiasm/prototype,fashionsun/prototype