1diff --git b/LICENSE a/LICENSE 2new file mode 100644 3index 0000000..03113a0 4--- /dev/null 5+++ a/LICENSE 6@@ -0,0 +1,222 @@ 7+Copyright (c) 2013-2014 The Rust Project Developers. 8+Copyright (c) 2015-2020 The rust-hex Developers 9+ 10+Permission is hereby granted, free of charge, to any person obtaining a copy 11+of this software and associated documentation files (the "Software"), to deal 12+in the Software without restriction, including without limitation the rights 13+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 14+copies of the Software, and to permit persons to whom the Software is 15+furnished to do so, subject to the following conditions: 16+ 17+The above copyright notice and this permission notice shall be included in all 18+copies or substantial portions of the Software. 19+ 20+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 23+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 25+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 26+SOFTWARE. 27+ 28+ Apache License 29+ Version 2.0, January 2004 30+ http://www.apache.org/licenses/ 31+ 32+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 33+ 34+ 1. Definitions. 35+ 36+ "License" shall mean the terms and conditions for use, reproduction, 37+ and distribution as defined by Sections 1 through 9 of this document. 38+ 39+ "Licensor" shall mean the copyright owner or entity authorized by 40+ the copyright owner that is granting the License. 41+ 42+ "Legal Entity" shall mean the union of the acting entity and all 43+ other entities that control, are controlled by, or are under common 44+ control with that entity. For the purposes of this definition, 45+ "control" means (i) the power, direct or indirect, to cause the 46+ direction or management of such entity, whether by contract or 47+ otherwise, or (ii) ownership of fifty percent (50%) or more of the 48+ outstanding shares, or (iii) beneficial ownership of such entity. 49+ 50+ "You" (or "Your") shall mean an individual or Legal Entity 51+ exercising permissions granted by this License. 52+ 53+ "Source" form shall mean the preferred form for making modifications, 54+ including but not limited to software source code, documentation 55+ source, and configuration files. 56+ 57+ "Object" form shall mean any form resulting from mechanical 58+ transformation or translation of a Source form, including but 59+ not limited to compiled object code, generated documentation, 60+ and conversions to other media types. 61+ 62+ "Work" shall mean the work of authorship, whether in Source or 63+ Object form, made available under the License, as indicated by a 64+ copyright notice that is included in or attached to the work 65+ (an example is provided in the Appendix below). 66+ 67+ "Derivative Works" shall mean any work, whether in Source or Object 68+ form, that is based on (or derived from) the Work and for which the 69+ editorial revisions, annotations, elaborations, or other modifications 70+ represent, as a whole, an original work of authorship. For the purposes 71+ of this License, Derivative Works shall not include works that remain 72+ separable from, or merely link (or bind by name) to the interfaces of, 73+ the Work and Derivative Works thereof. 74+ 75+ "Contribution" shall mean any work of authorship, including 76+ the original version of the Work and any modifications or additions 77+ to that Work or Derivative Works thereof, that is intentionally 78+ submitted to Licensor for inclusion in the Work by the copyright owner 79+ or by an individual or Legal Entity authorized to submit on behalf of 80+ the copyright owner. For the purposes of this definition, "submitted" 81+ means any form of electronic, verbal, or written communication sent 82+ to the Licensor or its representatives, including but not limited to 83+ communication on electronic mailing lists, source code control systems, 84+ and issue tracking systems that are managed by, or on behalf of, the 85+ Licensor for the purpose of discussing and improving the Work, but 86+ excluding communication that is conspicuously marked or otherwise 87+ designated in writing by the copyright owner as "Not a Contribution." 88+ 89+ "Contributor" shall mean Licensor and any individual or Legal Entity 90+ on behalf of whom a Contribution has been received by Licensor and 91+ subsequently incorporated within the Work. 92+ 93+ 2. Grant of Copyright License. Subject to the terms and conditions of 94+ this License, each Contributor hereby grants to You a perpetual, 95+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable 96+ copyright license to reproduce, prepare Derivative Works of, 97+ publicly display, publicly perform, sublicense, and distribute the 98+ Work and such Derivative Works in Source or Object form. 99+ 100+ 3. Grant of Patent License. Subject to the terms and conditions of 101+ this License, each Contributor hereby grants to You a perpetual, 102+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable 103+ (except as stated in this section) patent license to make, have made, 104+ use, offer to sell, sell, import, and otherwise transfer the Work, 105+ where such license applies only to those patent claims licensable 106+ by such Contributor that are necessarily infringed by their 107+ Contribution(s) alone or by combination of their Contribution(s) 108+ with the Work to which such Contribution(s) was submitted. If You 109+ institute patent litigation against any entity (including a 110+ cross-claim or counterclaim in a lawsuit) alleging that the Work 111+ or a Contribution incorporated within the Work constitutes direct 112+ or contributory patent infringement, then any patent licenses 113+ granted to You under this License for that Work shall terminate 114+ as of the date such litigation is filed. 115+ 116+ 4. Redistribution. You may reproduce and distribute copies of the 117+ Work or Derivative Works thereof in any medium, with or without 118+ modifications, and in Source or Object form, provided that You 119+ meet the following conditions: 120+ 121+ (a) You must give any other recipients of the Work or 122+ Derivative Works a copy of this License; and 123+ 124+ (b) You must cause any modified files to carry prominent notices 125+ stating that You changed the files; and 126+ 127+ (c) You must retain, in the Source form of any Derivative Works 128+ that You distribute, all copyright, patent, trademark, and 129+ attribution notices from the Source form of the Work, 130+ excluding those notices that do not pertain to any part of 131+ the Derivative Works; and 132+ 133+ (d) If the Work includes a "NOTICE" text file as part of its 134+ distribution, then any Derivative Works that You distribute must 135+ include a readable copy of the attribution notices contained 136+ within such NOTICE file, excluding those notices that do not 137+ pertain to any part of the Derivative Works, in at least one 138+ of the following places: within a NOTICE text file distributed 139+ as part of the Derivative Works; within the Source form or 140+ documentation, if provided along with the Derivative Works; or, 141+ within a display generated by the Derivative Works, if and 142+ wherever such third-party notices normally appear. The contents 143+ of the NOTICE file are for informational purposes only and 144+ do not modify the License. You may add Your own attribution 145+ notices within Derivative Works that You distribute, alongside 146+ or as an addendum to the NOTICE text from the Work, provided 147+ that such additional attribution notices cannot be construed 148+ as modifying the License. 149+ 150+ You may add Your own copyright statement to Your modifications and 151+ may provide additional or different license terms and conditions 152+ for use, reproduction, or distribution of Your modifications, or 153+ for any such Derivative Works as a whole, provided Your use, 154+ reproduction, and distribution of the Work otherwise complies with 155+ the conditions stated in this License. 156+ 157+ 5. Submission of Contributions. Unless You explicitly state otherwise, 158+ any Contribution intentionally submitted for inclusion in the Work 159+ by You to the Licensor shall be under the terms and conditions of 160+ this License, without any additional terms or conditions. 161+ Notwithstanding the above, nothing herein shall supersede or modify 162+ the terms of any separate license agreement you may have executed 163+ with Licensor regarding such Contributions. 164+ 165+ 6. Trademarks. This License does not grant permission to use the trade 166+ names, trademarks, service marks, or product names of the Licensor, 167+ except as required for reasonable and customary use in describing the 168+ origin of the Work and reproducing the content of the NOTICE file. 169+ 170+ 7. Disclaimer of Warranty. Unless required by applicable law or 171+ agreed to in writing, Licensor provides the Work (and each 172+ Contributor provides its Contributions) on an "AS IS" BASIS, 173+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 174+ implied, including, without limitation, any warranties or conditions 175+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 176+ PARTICULAR PURPOSE. You are solely responsible for determining the 177+ appropriateness of using or redistributing the Work and assume any 178+ risks associated with Your exercise of permissions under this License. 179+ 180+ 8. Limitation of Liability. In no event and under no legal theory, 181+ whether in tort (including negligence), contract, or otherwise, 182+ unless required by applicable law (such as deliberate and grossly 183+ negligent acts) or agreed to in writing, shall any Contributor be 184+ liable to You for damages, including any direct, indirect, special, 185+ incidental, or consequential damages of any character arising as a 186+ result of this License or out of the use or inability to use the 187+ Work (including but not limited to damages for loss of goodwill, 188+ work stoppage, computer failure or malfunction, or any and all 189+ other commercial damages or losses), even if such Contributor 190+ has been advised of the possibility of such damages. 191+ 192+ 9. Accepting Warranty or Additional Liability. While redistributing 193+ the Work or Derivative Works thereof, You may choose to offer, 194+ and charge a fee for, acceptance of support, warranty, indemnity, 195+ or other liability obligations and/or rights consistent with this 196+ License. However, in accepting such obligations, You may act only 197+ on Your own behalf and on Your sole responsibility, not on behalf 198+ of any other Contributor, and only if You agree to indemnify, 199+ defend, and hold each Contributor harmless for any liability 200+ incurred by, or claims asserted against, such Contributor by reason 201+ of your accepting any such warranty or additional liability. 202+ 203+ END OF TERMS AND CONDITIONS 204+ 205+ APPENDIX: How to apply the Apache License to your work. 206+ 207+ To apply the Apache License to your work, attach the following 208+ boilerplate notice, with the fields enclosed by brackets "{}" 209+ replaced with your own identifying information. (Don't include 210+ the brackets!) The text should be enclosed in the appropriate 211+ comment syntax for the file format. We also recommend that a 212+ file or class name and description of purpose be included on the 213+ same "printed page" as the copyright notice for easier 214+ identification within third-party archives. 215+ 216+ Copyright {yyyy} {name of copyright owner} 217+ 218+ Licensed under the Apache License, Version 2.0 (the "License"); 219+ you may not use this file except in compliance with the License. 220+ You may obtain a copy of the License at 221+ 222+ http://www.apache.org/licenses/LICENSE-2.0 223+ 224+ Unless required by applicable law or agreed to in writing, software 225+ distributed under the License is distributed on an "AS IS" BASIS, 226+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 227+ See the License for the specific language governing permissions and 228+ limitations under the License. 229