Make fixes, improvements, and chibicc python bindings

- python now mixes audio 10x faster
- python octal notation is restored
- chibicc now builds code 3x faster
- chibicc now has help documentation
- chibicc can now generate basic python bindings
- linenoise now supports some paredit-like features

See #141

examples/ttyinfo.c

@@ -27,6 +27,7 @@
 #include "libc/x/x.h"
 
 #define CTRL(C)                ((C) ^ 0b01000000)
+#define ENABLE_SAFE_PASTE      "\e[?2004h"
 #define ENABLE_MOUSE_TRACKING  "\e[?1000;1002;1015;1006h"
 #define DISABLE_MOUSE_TRACKING "\e[?1000;1002;1015;1006l"
 #define PROBE_DISPLAY_SIZE     "\e7\e[9979;9979H\e[6n\e8"
@@ -71,6 +72,7 @@ int rawmode(void) {
   t.c_cflag |= CS8;
   t.c_iflag |= IUTF8;
   ioctl(1, TCSETS, &t);
+  write(1, ENABLE_SAFE_PASTE, strlen(ENABLE_SAFE_PASTE));
   write(1, ENABLE_MOUSE_TRACKING, strlen(ENABLE_MOUSE_TRACKING));
   write(1, PROBE_DISPLAY_SIZE, strlen(PROBE_DISPLAY_SIZE));
   return 0;