What does "Last yeer I kudn't spel Engineer. Now I are won." mean

In the end of the slashdot.org(on 23rd jan 2015) website page there is quote

Last yeer I kudn't spel Engineer. Now I are won

what does it mean, especially the second part Now I are won.

Translation:

Last year I couldn't even spell "engineer" and now I am one.

This is an ancient joke—it was already current in a variety of forms when I was an undergraduate in the 1960s.

It pretends to mock the presumed communicative incompetence of engineering graduates, because their coursework emphasizes mathematics and rarely requires mastery of English style; but in fact it is largely current among engineers themselves, flaunted as a badge of their superiority to impractical and ineffective students of the humanities. These days you may see the variant "Last year I couldn't even spell 'Programmer' ..."

It's deliberately mangled English as a way of mocking the (putatively low) English language skill level of engineers. It features both bad spelling and bad grammar, making it difficult for a non-native speaker to decipher.

It's similar both to the hillbilly reading test and LOLspeak, both of which are also versions of English deliberately mangled as a joke.

Regarding continuity of style, this is the answer:

Last year i could not spell engineer. Now i am one.

A little poem regarding computer spell checkers