Proposing a PR to fix a few small typos

[timgates42]

Issue Type

[x] Bug (Typo)

Steps to Replicate and Expected Behaviour

• Examine pagekite/logparse.py and observe trucated, however expect to see truncated.
• Examine doc/README.md and observe protocls, however expect to see protocols.
• Examine jsui/js/rpc.js and observe propogates, however expect to see propagates.
• Examine jsui/js/rpc.js and observe preceeded, however expect to see preceded.
• Examine doc/MANPAGE.md and observe knowlege, however expect to see knowledge.
• Examine pagekite/httpd.py and observe invisble, however expect to see invisible.
• Examine pagekite/pk.py and observe explictly, however expect to see explicitly.
• Examine pagekite/proto/conns.py and observe connnection, however expect to see connection.

Notes

Semi-automated issue generated by
https://github.com/timgates42/meticulous/blob/master/docs/NOTE.md

To avoid wasting CI processing resources a branch with the fix has been
prepared but a pull request has not yet been created. A pull request fixing
the issue can be prepared from the link below, feel free to create it or
request @timgates42 create the PR. Alternatively if the fix is undesired please
close the issue with a small comment about the reasoning.

https://github.com/timgates42/PyPagekite/pull/new/bugfix_typos

Thanks.