Added lua scripts and fixed a typo in state machine code

LuaScripts/Chapter1_SearchingForStrings.lua

@@ -0,0 +1,25 @@
+BASEADDRESS = getAddress("Game.exe")
+function findString(str)
+    local len = string.len(str)
+    local chunkSize = 4096
+    local chunkStep = chunkSize - len
+    print("Found '" .. str .. "' at:")
+    for address = BASEADDRESS, (BASEADDRESS + 0x2ffffff), chunkStep  do
+        local chunk = readBytes(address, chunkSize, true)
+        if (not chunk) then break end
+        for c = 0, chunkSize-len do
+            checkForString(address , chunk, c, str, len)
+        end
+    end
+end
+function checkForString(address, chunk, start, str, len)
+    for i = 1, len do
+        if (chunk[start+i] ~= string.byte(str, i)) then
+            return false
+        end
+    end
+    print(string.format("\t0x%x", address + start))
+end
+
+findString("hello")
+findString("world")