- improve variable for logging from "debugLevel" to "logSeverity" (print logging messages which have a severity larger equal the then given value; so; "nsf::configure debugLevel 0" will print everything, and "nsf::configure debugLevel 3" will print just error messages and omit warnings etc.) - this is not a change in sematics, but removes some confusion in the code. therefore the configure name was not changed - Remove 2 occurrences of deprecated Tcl Call Tcl_AppendResult() in nsfStubLib
remove various code smells: - add const declarations - prefer boolean tests - don't write "for" loops without a block - don't pass non-initialized value in an array on index [0] - reduce variable scope - prefer single returns statements in functions - dont't use CONST unless defined by Tcl-API