Doc fixes and @namespace removal

Could someone please take a look at:

commit a05ef1359a8c06e6f63ccd5ac8086d2c21823a2e (HEAD -> 8.1, origin/8.1, devel/8.1) Author: Stephen R. van den Berg srb@cuci.nl Date: Thu Feb 8 13:44:04 2018 +0100

Fix typos and docs.

lib/master.pike.in | 24 +----------------------- lib/modules/Crypto.pmod/RC4.pmod | 2 +- lib/modules/Crypto.pmod/module.pmod | 2 +- lib/modules/Tools.pmod/Hilfe.pmod | 10 +++++----- src/sprintf.c | 2 +- src/string_builder.cmod | 3 +++ 6 files changed, 12 insertions(+), 31 deletions(-)

I kicked out some @namespace and @endnamespace directives that autodoc complained about. I'm unsure if simply removing them had the desired effect.