Add example of file with more curves than data columns (#83)

tests/examples/issue83.las

@@ -0,0 +1,28 @@
+~VERSION INFORMATION
+ VERS.                  1.2:   CWLS LOG ASCII STANDARD -VERSION 1.2
+ WRAP.                  NO:   ONE LINE PER DEPTH STEP
+~WELL INFORMATION BLOCK
+#MNEM.UNIT       DATA TYPE    INFORMATION
+#---------    -------------   ------------------------------
+ STRT.M        1670.000000:
+ STOP.M        1660.000000:
+ STEP.M            -0.1250:
+ NULL.           -999.2500:
+ COMP.             COMPANY:   # ANY OIL COMPANY LTD.
+ WELL.                WELL:   ANY ET AL OIL WELL #12
+ FLD .               FIELD:   EDAM
+ LOC .            LOCATION:   A9-16-49-20W3M
+ PROV.            PROVINCE:   SASKATCHEWAN
+ SRVC.     SERVICE COMPANY:   ANY LOGGING COMPANY LTD.
+ DATE.            LOG DATE:   25-DEC-1988
+ UWI .      UNIQUE WELL ID:   100091604920W300
+~Curve
+ DEPTH.F                : 1    DEPTH
+ TVD.F                  : 2    TVD
+ VS.F                   : 3    VS
+ Gamma.CPM              : 6    Gamma
+ ROP.Ft/Hr              : 5    ROP
+ TEMP.F                 : 6    Temperature (Tool)
+~ASCII LOG DATA SECTION
+19160 10415.184 8974.944 57.011
+19160.5 10415.19 8975.444 57.011