io: with-output-stream* example
urls: example for secure url-addr
urls.tests: unit tests for url-addr
io.sockets: example for resolve-host
io.sockets: example for the with-socket function
Docs: a few more examples for words that were missing them
Docs: example for head? and subwords
Docs: examples for vocab-files and vocab-tests
Docs: examples for io.launcher words
Docs: doc and examples for math.matrices
Docs: source-files.errors
Docs: more matrix-related documentation
Docs: fixed doc example errors triggered by help-lint and added with-disposal where applicable