v0.9.0

What's Changed

• Fgs by @jbcaillau in #178
• Fgs by @jbcaillau in #181
• WIP: update with CTBase 0.10, CTDirect 0.7, CTFlows 0.4 and CTProblems 0.7 by @ocots in #184
• Revert "WIP: update with CTBase 0.10, CTDirect 0.7, CTFlows 0.4 and CTProblems 0.7" by @jbcaillau in #186
• remove CTProblems by @ocots in #190
• ct repl started after OptimalControl is loaded by @ocots in #191
• 187 oc upgrade by @ocots in #192
• add using NLPModelsIpopt by @ocots in #196
• Fix doc by @ocots in #197
• replace minpack by nonlinearsolve by @ocots in #198
• updated tuto init by @PierreMartinon in #199
• tuto for discrete continuation by @PierreMartinon in #200
• update graph by @ocots in #202
• Draft for nlp tutorial TO BE COMPLETED by @PierreMartinon in #203

Full Changelog: v0.8.1...v0.9.0