Minor release

This release contains important fixes and libewf upgrade. See the ReleaseNotes.txt for the full details:
News:
#995: Upgrade to LIBEWF-20201230: partial Ex01 and Lx01 support (Luís Nassif)
Fixes:
#1001: TextViewer not displaying final text fragments of files [3.18.8 regression] (Luís Nassif)
#973: Group participants aren't being extracted [regression 3.18.9] (João Hauck)
#997: Messages from chats decoded from UFDRs may be duplicated and shown as attachments in preview [since 3.18-beta] (Luís Nassif)
#986: Graph in multicases not generated when cases/multicase.txt parent folder is writeable [regression 3.18.5] (Luís Nassif)
#993: Excessive memory consumption processing large E01 images (Wladimir Leite, Luís Nassif & André Berenguel)
#996: Bookmarks not saved in user local temp if case is on network and readonly using ACLs (Luís Nassif)

Full Changelog: 3.18.13...3.18.14