[en] Fix message: did you forgot>forget (it could be a new rule...)
[ca] New rule POSAR_EN_VALOR, tiny improvements
catch all exceptions and continue so we don't crash because of network problems
[de] Deleted false negatives and false positives.
[pt] Added 2 rules:
1) assunto A esclarecer > assunto PARA esclarecer
2) ARREAR a vela/bandeira > ARRIAR a vela/bandeira

(both for singular and plural)
[pt] Added around 29 compounds.
Update CHANGES.txt
tiny exception message improvement
typo fix
[de] prevent false alarm
tiny code cleanup
[pt] fix rule duplication
[en] new rule to detect "Did you forgot?"
remove trailing spaces