PRE-ALPHA 3.0.0 - Rewrote the kernel to use a more modular design, changed some terms, added process sandboxing for security.

COMING IN THE FULL RELEASE:
- A user system
- A functional IPC (Inter-Process Communication) system

THINGS CAN AND WILL CHANGE FROM NOW UNTIL THE FINAL RELEASE.

lib/log.lua

@@ -0,0 +1,30 @@
+local fs = require("filesystem")
+local computer = require("computer")
+
+local log = {}
+
+function log.add(text, logType)
+  checkArg(1, text, "string")
+  checkArg(2, logType, "string", "nil")
+  if logType ~= "debug" and logType ~= "info" and logType ~= "warning" and logType ~= "error" and logType then
+    error("Log type must either be debug, info, warning or error.")
+  end
+  if not logType then
+    logType = "debug"
+  end
+  local handle = fs.open("/halyde/system.log", "a")
+  local time = computer.uptime()
+  local logText = string.format("[%02d:%02d:%02d:%02d] " .. text, math.floor(time / 86400), math.floor(time / 3600 % 24), math.floor(time / 60 % 60), math.floor(time % 60)) .. "\n"
+  if logType == "debug" then
+    handle:write("\27[37m" .. logText)
+  elseif logType == "info" then
+    handle:write("\27[97m" .. logText)
+  elseif logType == "warning" then
+    handle:write("\27[93m" .. logText)
+  else
+    handle:write("\27[91m" .. logText)
+  end
+  handle:close()
+end
+
+return log