* Add function to check if a register is a system register
* Only checks for ARM64 system registers as of now
* Check for system registers in ARM64 when printing registers using "dr"
* Does not completely remove the unnecessary register, but removes a
huge number of useless registers printed by "dr"
* Rename `RZ_REG_TYPE_ALL` to `RZ_REG_TYPE_ANY`
* ADd register types for "sys" and "pauth": `RZ_REG_TYPE_SYS` and
`RZ_REG_TYPE_PAUTH` respectively
* Remove `rz_reg_is_system_reg`
* Add `sys` and `pauth` register profiles
* Update debug tests to account for new arenas and register profiles
* REplace "pauth" with "sec" reg profile
* Update integration tests to account for new register profiles: `sys`, `sec`
* Disable colors on Windows because terminal looks bad otherwise
* Use environment on Windows to set PATH and make sure unit tests use
the compiled libraries and not the installed ones
* Define ssize_t on Windows as well by using SSIZE_T
Update test_analysis_block.c
Update test_intervaltree.c
Update test_unum.c
* Add `dtst` and `dtsf` commands
* Change `RDebugSession` to store its data in their own sdb namespace
* Add `r_debug_session_serialize()` and `r_debug_session_deserialize()` API
* Add unit tests for `RDebugSession `save and load functions
