Fix two ASAN crashes for `pf`
Add anal.maxreflines option for faster `pd`

	[0x00404845]> e scr.null=1
	[0x00404845]> ?t pd 6999
	4.239001
	[0x00404845]> e anal.maxreflines=100
	[0x00404845]> ?t pd 6999
	1.014379
Change the separator character to ';', make regex gadget search multi-chars

- Skip regexp compile if no pattern is provided
Fix regex search
Initial 'afu' command
Fix analysis with afu
Add http.dietime to kill r2 after N seconds of client inactivity
RCore.cmd_search refactoring

* use a search_parameters structure
* extract functions to increase readibility
* remove non existent config option
Activate DieTime before accept
remove cats in sys/farm/run.sh

update and run :-)
Fix coverity issues with ROP search and more pic flags for lollipop

Update capstone to fix all ARM tests
Add anal.afterjmp and fix esil for ARM LDR+PC instructions
Fix esil xor, add mips esil negu, xor, nor