All I can say to everyone is - be yourself and upfront - if you try and hide anything or circumvent, it will land you in more difficulty. From what I have seen in immigration process, PR and Citizenship process, as long as you provide all details, are upfront, Fair, truthful and have everything clearly laid out - you should be ok. There is no bias towards any nationality or anything - This is Canada.
The same experience in interview etc. they check details and passports. if you have details and backup documents, you should be ok. check you documents yourself by stepping into CIC shoes and you will know what is required. e.g. If you have foreign stamps in passport, have those translated even if they don't ask for it in the first go. Be ready.
CIC team has gone through hundreds of cases and they have experience. We as individuals have seen only one case
so they know what are the issues, what can be problems, what you are truthful about and what you are avoiding to disclose. - SO better be upfront.
best of luck guys.