Revamp strread, textscan, textread functions for Matlab compatability Implemented ML-compatible whitespace and delimiter defaults Implemented ML-compatible options: 'whitespace', treatasempty', format string repeat count, user-specified comment style, uneven-length output arrays, %n and %u conversion specifiers (provisionally) Implemented processing of given-width format specifiers * textscan.m: Add new tests. Implement EndofLine, ReturnOnError, TreatAsEmpty options. Improve whitespace handling. * textread.m: Add new tests Implement EndofLine option. Improve whitespace handling. * strread.m: Major rewrite.