Making fbctf great again

[javuto]

Fixing several bugs and adding some changes that were added to the dev-lite in the main fbctf project. The commits that were added are:

• https://github.com/facebook/fbctf/commit/4aaf65721073594d9661960a42f949288cf3d92e
• https://github.com/facebook/fbctf/commit/15954e26eea018a2bb4587c9a629ca554406b6ec
• https://github.com/facebook/fbctf/commit/708e65c90a6f6f5cc286b214c49b3e86b3a3b386
• https://github.com/facebook/fbctf/commit/373df0487c38e908eb7b79494d4ce9a2c151e209
• https://github.com/facebook/fbctf/commit/84bb17f9cb727477c0d64853094e441fcc949fe9
• https://github.com/facebook/fbctf/commit/ae4696a6ce5038ba232c857ae22e063e978f8c36
• https://github.com/facebook/fbctf/commit/707715c9e69151f608e75ab81e03bb73dd0b1b30
• https://github.com/facebook/fbctf/commit/3c100479a65a256ea731971e0b7823c641e1bd8d
• https://github.com/facebook/fbctf/commit/a9b6f6b25193a50c7fa271e73de6082c5e139d0e
• https://github.com/facebook/fbctf/commit/858fb489b15ee02f9922f1b1930d6268d97f5801
• https://github.com/facebook/fbctf/commit/dd9dffd2db6a3bb39abb3394c168c8ea1fb4ef04
• https://github.com/facebook/fbctf/commit/18f921f5247ba1439cb68f6d9c5c1f73dba59307
• https://github.com/facebook/fbctf/commit/f5b572c01a384f8acfc40e11c0066bffc4f07f06
• https://github.com/facebook/fbctf/commit/161785c3e189eabf82a10e52904271f7ad59f8db
• https://github.com/facebook/fbctf/commit/7d8985e212e439ba5d60dc282def14bd15363486
• https://github.com/facebook/fbctf/commit/43b45c300a6edc0ad69f3e520b452e62c8d10b61
• https://github.com/facebook/fbctf/commit/17588b98f8df5c0d0035c0d13b9c5fe8f4e798ad
• https://github.com/facebook/fbctf/commit/ec60ddb38c6ca5ffec54c47d1f24a4d3a62fc737
• https://github.com/facebook/fbctf/commit/512ba1cbee87401cddd2a5e7477a95a7724c7cc9
• https://github.com/facebook/fbctf/commit/8c3f92690fd8c53d1d6831542be7a555494afc0d
• https://github.com/facebook/fbctf/commit/285a4f72bbb026de51e36a7a32755518090484fc
• https://github.com/facebook/fbctf/commit/91b5a40ca945d2e88d768cbc85e4b9f98d1a2a6a
• https://github.com/facebook/fbctf/commit/3c33ffff8d1a786ce178cd8b15648850918f3482
• https://github.com/facebook/fbctf/commit/c0533080b9ff6e85c110764ba2b153e73c7e85b7
• https://github.com/facebook/fbctf/commit/35df6f52850351a7c17bc1fa2fce5b85ecc85fbb

Due to the lack of details provided with these commits, it requires some deep understanding of what is going on in the code to fully get what is done. They are a mix between an attempt to increase the performance and fix various bugs.