Added code to setup and build the IDT. Updated the Bochs' configuration file to allow break points to be set and did some general code clean-up.

includes/idt.h

@@ -0,0 +1,21 @@
+#ifndef IDT_H
+#define IDT_H
+struct idt_entry
+{
+    unsigned short base_lo;
+    unsigned short sel;        /* Our kernel segment goes here. */
+    unsigned char always0;
+    unsigned char flags;
+    unsigned short base_hi;
+} __attribute__((packed));
+
+struct idt_ptr
+{
+    unsigned short size;
+    struct idt_entry* idt_entries_start;
+} __attribute__((packed));
+
+void install_idt(void);
+void idt_set_gate(struct idt_entry*, unsigned long, unsigned short, unsigned char);
+void load_idt(struct idt_ptr*);
+#endif