added additional icons to K12 module and a first batch of new abstractions (more work needed)

l2ork_addons/K12/math_netreceive.pd

+#N canvas 571 62 452 350 10;
+#X obj 162 62 loadbang;
+#X obj 162 159 ggee/image @pd_extra/K12/objects/math_netinput.png;
+#X obj 239 121 inlet;
+#X obj 59 54 preset_node k12;
+#X obj 121 276 outlet;
+#X obj 121 164 nbx 5 19 -1e+37 1e+37 0 0 \$0-s-null \$0-r-null empty
+0 -8 0 16 -262144 -1 -1 0 256 1;
+#X obj 121 253 disis_netreceive 3000 1;
+#X msg 121 230 port \$1;
+#X text 178 179 port;
+#X msg 162 85 open @pd_extra/K12/objects/math_netreceive.png;
+#X connect 0 0 9 0;
+#X connect 2 0 5 0;
+#X connect 3 0 5 0;
+#X connect 5 0 7 0;
+#X connect 6 0 4 0;
+#X connect 7 0 6 0;
+#X connect 9 0 1 0;
+#X coords 0 -1 1 1 89 89 2 117 127;

l2ork_addons/K12/math_netsend.pd

+#N canvas 571 62 452 350 10;
+#X obj 162 62 loadbang;
+#X obj 162 159 ggee/image @pd_extra/K12/objects/math_netsend.png;
+#X obj 34 128 inlet;
+#X obj 59 54 preset_node k12;
+#X obj 34 325 outlet;
+#X obj 121 180 nbx 5 19 -1e+37 1e+37 0 0 \$0-s-null \$0-r-null empty
+0 -8 0 16 -262144 -1 -1 3000 256 1;
+#X text 178 194 port;
+#X obj 34 303 disis_netsend 3000 1;
+#X msg 52 268 disconnect \, connect \$1 \$2;
+#X symbolatom 121 161 13 0 0 0 - - -;
+#X text 118 145 address;
+#X obj 52 246 pack s f;
+#X obj 95 225 t b f;
+#X msg 34 150 send \$1 \$2;
+#X msg 162 85 open @pd_extra/K12/objects/math_netsend.png;
+#X obj 215 110 loadbang;
+#X msg 215 132 set localhost;
+#X msg 215 153 set 3000;
+#X connect 0 0 14 0;
+#X connect 2 0 13 0;
+#X connect 3 0 5 0;
+#X connect 5 0 12 0;
+#X connect 7 0 4 0;
+#X connect 8 0 7 0;
+#X connect 9 0 11 0;
+#X connect 11 0 8 0;
+#X connect 12 0 11 0;
+#X connect 12 1 11 1;
+#X connect 13 0 7 0;
+#X connect 14 0 1 0;
+#X connect 15 0 16 0;
+#X connect 15 0 17 0;
+#X connect 16 0 9 0;
+#X connect 17 0 5 0;
+#X coords 0 -1 1 1 89 89 2 117 127;

l2ork_addons/K12/math_tag.pd

+#N canvas 571 62 452 350 10;
+#X obj 162 62 loadbang;
+#X obj 162 159 ggee/image @pd_extra/K12/objects/math_netreceive.png
+;
+#X obj 239 121 inlet;
+#X obj 59 54 preset_node k12;
+#X obj 121 276 outlet;
+#X msg 162 85 open @pd_extra/K12/objects/math_tag.png;
+#X symbolatom 121 167 13 0 0 0 - - -;
+#X text 181 179 tag;
+#X obj 23 104 loadbang;
+#X msg 23 126 set ...;
+#X symbolatom 249 200 10 0 0 0 - - -;
+#X obj 172 307 print a;
+#X obj 221 307 print b;
+#X floatatom 315 200 5 0 0 0 - - -;
+#X floatatom 211 167 5 0 0 0 - - -;
+#X obj 121 253 route a;
+#X connect 0 0 5 0;
+#X connect 2 0 15 0;
+#X connect 3 0 6 0;
+#X connect 5 0 1 0;
+#X connect 6 0 15 1;
+#X connect 8 0 9 0;
+#X connect 9 0 6 0;
+#X connect 10 0 15 0;
+#X connect 13 0 15 0;
+#X connect 14 0 15 1;
+#X connect 15 0 4 0;
+#X connect 15 0 11 0;
+#X connect 15 1 12 0;
+#X coords 0 -1 1 1 89 89 2 117 127;