Swiss File Knife most recent changes

fix: simple expressions: crash when using many [ortext] in the same search pattern.

- chg: name: no longer searches in meta data by default, e.g. sfk name 1234 no longer produces unexpected results because their filesize is 1234.

- add: name: option -withmeta and -meta to also search in meta data of index.

- add: name: -spat support.

- add: sfk fileserv, alias of sfk sftserv.

- add: sfk ... +put, alias of +sft ... cput.

- add: sfk ... +putall, alias of +sft ... mput.

- fix: rand: first value per process start contained very few random

- add: rand: now supports larger values, hex output, and setting a seed

- add: treesize: option -gb[yte] to list all sizes in gigabytes.

- add: ping: option -time to display reply time when pinging a single host

- doc: ping: info on graphical ping output

Revision 2:

- rel: 16.02.2019, Major Update

- sum: Improved office file text search with options to produce UTF-8 output.

- fix: .xlsx content loading showed wrong output text in some cases.

- add: ofind, oload, ofilter: option -utfout to keep UTF-8 encoding on output text.

- add: ofind: option -utfin to allow use of UTF-8 encoded search terms with -utfout.

- add: oload: option -raw to show xml content.

- chg: oload, ofilter: no longer shows zip file comment. Initial Release:

- rel: 10.02.2019, Major Update

- sum: SFK can now search and load office file text contents, in Open Office format files like .docx .xlsx .ods .odt. Search functions now search only in text files by default.

- CHG: Syntax Change: xfind now only searches in plain text files, but not in binaries. use xfindbin to search also binary files.

- CHG: Syntax Change: find now only searches in plain text files, but not in binaries. use findbin to search also binary files.

- add: ofind, search text in office files like .docx .xlsx .ods .odt and plain text files.

- add: ofilter, filter text of an office file.

- add: oload, load text of an office file for display or further processing.

- add: sfk help office, for details about supported office file extensions.

- add: sfk alias, mkcd: support for SFK_PATH environment variable, to write batch files only into this folder.

- chg: sfk getdv: now also suggests to save to SFK_PATH if given.

- add: echo: option -stream for best output transfer to setvar or xed.

- dep: xtext is deprecated (redundant to xfind)

- dep: ftext is deprecated (redundant to find)

- fix: zipto: crash on sub folder names containing accent characters, especially on select ... +zipto.

- chg: sfk data: max content per symbol is now 8 kbytes instead of 1.

- fix: xed: sfk ... +xed without any patterns created unwanted color output.