<b>v1.5:</b>
-  Ported to QGIS 3
<b>v1.4:</b>
-  Updated to new MS 4.2 standards;
-  update project (fixed labels, update .py files, added new style);
-  updated italian manual.
<b>v1.3:</b>
-  updated layout "CDI - Carta delle Indagini" (added legend);
-  updated export shapefiles and "Export geodatabase to project folder" tool (to
meet the standards);
-  removed "Validate project" tool;
-  fixed bug in log files;
-  update project (fixed labels, update .py files);
-  updated italian manual.
<b>v1.2:</b>
-  updated layouts ("Carta di Microzonazione Sismica (FA 0.1-0.5 s)", "Carta di
Microzonazione Sismica (FA 0.4-0.8 s)", "Carta di Microzonazione Sismica (FA
0.7-1.1 s)");
-  added "pkey" field in "Indagini" and "Parametri" tables;
-  removed english manual.
<b>v1.1:</b>
-  modified the layout layer "CDI - Indagini puntuali";
-  modified the layout layer "MOPS - HVSR";
-  updated export database ("CdI_Tabelle.sqlite").
<b>v1.0:</b>
-  stable version;
-  added a new video-guide ("Indagine stazione singola (HVSR)");
-  update project (fixed labels and styles errors, update .py files);
-  updated italian manual.
<b>v0.9:</b>
-  update table "Indagine stazione singola (HVSR)", "freq.ui" mask and added a
new layout ("Carta delle frequenze naturali dei terreni fr");
-  update constraint "quota_slm_top_verify" and "quota_slm_bot_verify" in
"indagini_puntuali", "parametri_puntuali" and "parametri_lineari" tables;
-  moved export process to a separate thread;
-  export progress shown in qgis interface;
-  fixed bug in "siti_ind_param.py";
-  update "New project" tool;
-  added a new table ("metadati");
-  update project (in particular .ui, .py files);
-  updated italian manual.
<b>v0.8:</b>
-  fixed bug in "siti_ind_param.py";
-  update "siti_puntuali" and "siti_lineari" triggers;
-  added a new table ("Indagine stazione singola (HVSR)") and a new layout
("Carta delle frequenze naturali dei terreni");
-  update project (in particular .ui, .py files);
-  changed update project process and removed "Update project" tool;
-  updated italian manual.
<b>v0.7:</b>
-  moved import process to a separate thread;
-  import progress shown in qgis interface;
-  fixed bug with empty numeric values in csv files during import;
-  reimplemented import log file;
-  added "Update project" tool;
-  update project (in particular .ui, .py files);
-  updated italian manual.
<b>v0.6:</b>
-  video-guide additions;
-  update project (in particular .ui, .py files);
-  resolved bugs;
-  updated italian manual.
<b>v0.5:</b>
-  improved "Add feature or record" tool;
-  removed useless tool;
-  update project (in particular .ui, .py files);
-  resolved bugs;
-  updated italian manual.
<b>v0.4:</b>
-  initial relase.