added import of submodules to hawc2.__init__

README.md

@@ -40,6 +40,7 @@ Both Python2 and Python3 are supported.
 - [htc_file](wetb/hawc2/htc_file.py): Read/write/manipulate htc files
 - [ae_file](wetb/hawc2/ae_file.py): Read AE (aerodynamic blade layout) files
 - [pc_file](wetb/hawc2/pc_file.py): Read PC (profile coefficient) files
+- [st_file](wetb/hawc2/st_file.py): Read ST (structural properties) files
 - [shear_file](wetb/hawc2/shear_file.py): Create user defined shear file
 - [at_time_file](wetb/hawc2/at_time_file.py): Read at output_at_time files
 - [log_file](wetb/hawc2/log_file.py): Read and interpret log files

wetb/hawc2/__init__.py

@@ -9,5 +9,10 @@ d = dir()
 
 from .htc_file import HTCFile
 from .log_file import LogFile
+from .ae_file import AEFile
+from .at_time_file import AtTimeFile
+from .pc_file import PCFile
+from . import shear_file
+from .st_file import StFile 
 
 __all__ = sorted([m for m in set(dir()) - set(d)])