fix incorrect field name of pkg object

I think that name field does not exist in object pkg. It must be package
fix three documentation typos

"know" -> "known" and
"must not have an ERRORs" -> "must not have *any* ERRORs"
"it's" -> "its"
Re-document
Re-generate svn docs
Remove unused svn-path.Rd file
Add session_info function
document: use namespace env instead of package env
Fix a typo ("all all").
Merge pull request #528 from craigcitro/patch-1

Fix a typo ("all all").
Merge pull request #517 from scottkosty/patch-2

fix three documentation typos
Update cran notes
Re-roxygenise
Re-re-roxygenise
Improve release docs
Deleted man/svn_path.Rd
Remove extra space in doc file name
Merge remote-tracking branch 'upstream/master'
Remove no-longer-needed get_namespace function
Remove no-lonter-needed mclapply workaround
Move package doc template into own function