Log Message:
(sysutils/R-ps) Updated 1.3.0 to 1.5.0

# ps 1.5.0

* New function `ps_shared_libs()` to list the loaded shared libraries
  of a process, on Windows.

* New function `ps_shared_lib_users()` to list all processes that
  loaded a certain shared library, on Windows.

* New function `ps_descent()` to query the ancestry of a process.

# ps 1.4.0

* ps is now under the MIT license.

* Process functions now default to the calling R process. So e.g. you can
  write simply `ps_connections()` to list all network connections of the
  current process, instead of `ps_connections(ps_handle())`.

* New `ps_get_nice()` and `ps_set_nice()` functions to get and set the
  priority of a process (#89).

* New `ps_system_memory()` and `ps_system_swap()` functions, to
  return information about system memory and swap usage.

* New `ps_disk_partitions()` and `ps_disk_usage()` functions, they
  return information about file systems, similarly to the `mount` and
  `df` Unix commands.

* New `ps_tty_size()` function to query the size of the terminal.

* Fixed an issue in `CLeanupReporter()` that triggered random failures
  on macOS.

# ps 1.3.4

* `ps_cpu_count()` now reports the correct number on Windows, even if
  the package binary was built on a Windows version with a different
  API (#77).

# ps 1.3.3

* New function `errno()` returns a table of `errno.h` error codes and
  their description.

* ps now compiles again on Solaris.

# ps 1.3.2

* ps now compiles again on unsupported platforms like Solaris.

# ps 1.3.1

* Fixed an installation problem on some Windows versions, where the
  output of `cmd /c ver` looks different (#69).