v1.16.9

ADDED:
* netx.IsPub
* encodingx/hexx

Rest are mostly small corrections and docs

tplx/sprigx/TODO

@@ -1,14 +1,4 @@
-- osReadFileBytes
-- osReadFileStr
-- osReadDir
+- base64, base16, base32, hex, pem encoding/decoding tpl funcs
+-- template hashing functions?
 
-- `dns*` funcs (net)
-- `url*` funcs (net/url)
-- `uuid*` funcs (github.com/google/uuid and r00t2.io/goutils/uuidx)
-
-- `http*` funcs:
--- `httpReq`: returns a net/http.Request
--- `http<Method>`: performs <Method> (? seems redundant if exposing httpReq)
--- also have `resty*` funcs?
-
-- i should probably explicitly provide a "safe" set vs. "full" set. can just mod the map func getters to accept a "safeOnly" bool param.
+- os env vars