fixup! Fixes and tweaks to Blowers Masel classes' fit_to_reactions methods.

Author: rwest

rmgpy/kinetics/arrhenius.pyx

@@ -666,7 +666,7 @@ cdef class ArrheniusBM(KineticsModel):
             keep_trying = True
             xtol = 1e-8
             ftol = 1e-8
-            while boo:
+            while keep_trying:
                 keep_trying = False
                 try:
                     params = curve_fit(kfcn, xdata, ydata, sigma=sigmas, p0=[1.0, 1.0, w0 / 10.0], xtol=xtol, ftol=ftol)