fix 'hf 15 csetuid' (#890)

fix 'hf 15 csetuid' (#890)

* fix 'hf 15 csetuid'
* check for error codes, prevent client crash
* some include file refactoring
* some whitespace fixes
* allow longer timeout for write commands
* add function to send EOF only
* modify 'hf list 15' to display "<EOF>"
* add tracing of Reader commands
* if REQ_OPTION is set on write commands, send separate EOF to request tag response
* use #defines instead of hex constants
* switch off field after UID update
* return last tag response (if there is any)
* iso15693: decode WRITE_MULTI_BLOCK in 'hf list 15'