new file: hippie_blocks.js
new file: img/blocks/hippie.svg
new file: img/blocks/hippie_RL.svg
new file: img/blocks/hippie_RR.svg
new file: img/blocks/hippie_YL.svg
new file: img/blocks/hippie_YR.svg
new file: lang/HIPPIE.json
modified: src/Hippie.cpp
modified: src/Hippie.h